Typhoon lashes south China after killing 28 in Philippines

FILE - In this Saturday, Sept. 15, 2018, photo, residents stand by a flooded road following the onslaught of Typhoon Mangkhut in Tuguegarao City in Ca

FILE - In this Saturday, Sept. 15, 2018, photo, residents stand by a flooded road following the onslaught of Typhoon Mangkhut in Tuguegarao City in Ca

A motorcycle provides light along a dark street after electricity was shut-off following the onslaught of Typhoon Mangkhut in Tuguegarao city in Cagay

A motorcycle provides light along a dark street after electricity was shut-off following the onslaught of Typhoon Mangkhut in Tuguegarao city in Cagay

Evacuees use candles inside a temporary evacuation center as electricity was shut-off following the onslaught of Typhoon Mangkhut in Tuguegarao city i

Evacuees use candles inside a temporary evacuation center as electricity was shut-off following the onslaught of Typhoon Mangkhut in Tuguegarao city i

FILE- In this Saturday, Sept. 15, 2018, photo, a family shares a meal using a flashlight inside a temporary evacuation center as electricity was shut-

FILE- In this Saturday, Sept. 15, 2018, photo, a family shares a meal using a flashlight inside a temporary evacuation center as electricity was shut-

A woman uses a flashlight inside a temporary evacuation center as electricity was shut-off following the onslaught of Typhoon Mangkhut in Tuguegarao c

A woman uses a flashlight inside a temporary evacuation center as electricity was shut-off following the onslaught of Typhoon Mangkhut in Tuguegarao c

A woman and her son eats a meal using a flashlight inside a temporary evacuation center as electricity was shut-off following the onslaught of Typhoon

A woman and her son eats a meal using a flashlight inside a temporary evacuation center as electricity was shut-off following the onslaught of Typhoon

A food store is taped in preparation for approaching typhoon Mangkhut in Hong Kong Saturday, Sept. 15, 2018. Typhoon Mangkhut slammed into the Philipp

A food store is taped in preparation for approaching typhoon Mangkhut in Hong Kong Saturday, Sept. 15, 2018. Typhoon Mangkhut slammed into the Philipp

FILE - In this Saturday, Sept. 15, 2018, file photo, a convenience store glass wall is taped in preparation for approaching typhoon Mangkhut in Hong K

FILE - In this Saturday, Sept. 15, 2018, file photo, a convenience store glass wall is taped in preparation for approaching typhoon Mangkhut in Hong K

The skyline of the Kowloon area is silhouetted at sunset as typhoon Mangkhut is approaching Hong Kong Saturday, Sept. 15, 2018. Typhoon Mangkhut slamm

The skyline of the Kowloon area is silhouetted at sunset as typhoon Mangkhut is approaching Hong Kong Saturday, Sept. 15, 2018. Typhoon Mangkhut slamm

The skyline of the business district is silhouetted at sunset as typhoon Mangkhut is approaching Hong Kong Saturday, Sept. 15, 2018. Typhoon Mangkhut

The skyline of the business district is silhouetted at sunset as typhoon Mangkhut is approaching Hong Kong Saturday, Sept. 15, 2018. Typhoon Mangkhut

People jog at the waterfront in Hong Kong's Central district as typhoon Mangkhut is approaching Hong Kong Saturday, Sept. 15, 2018. Typhoon Mangkhut s

People jog at the waterfront in Hong Kong's Central district as typhoon Mangkhut is approaching Hong Kong Saturday, Sept. 15, 2018. Typhoon Mangkhut s

FILE - In this Saturday, Sept. 15, 2018, file photo, a resident walks beside a toppled basketball court after Typhoon Mangkhut barreled across Tuguega

FILE - In this Saturday, Sept. 15, 2018, file photo, a resident walks beside a toppled basketball court after Typhoon Mangkhut barreled across Tuguega

Ducks walk along a cornfield totally damaged by strong winds from Typhoon Mangkhut as it barreled across Tuguegarao city, Cagayan province, northeaste

Ducks walk along a cornfield totally damaged by strong winds from Typhoon Mangkhut as it barreled across Tuguegarao city, Cagayan province, northeaste

The roof of a gas station lies on the ground after it was toppled by strong winds from Typhoon Mangkhut as it barreled across Tuguegarao city, Cagayan

The roof of a gas station lies on the ground after it was toppled by strong winds from Typhoon Mangkhut as it barreled across Tuguegarao city, Cagayan

Residents collect coconuts which fell due to strong from Typhoon Mangkhut as it barreled across Tuguegarao city, Cagayan province, northeastern Philip

Residents collect coconuts which fell due to strong from Typhoon Mangkhut as it barreled across Tuguegarao city, Cagayan province, northeastern Philip

Workers pass by a gas station that was damaged by strong winds from Typhoon Mangkhut as it barreled across Tuguegarao city, Cagayan province, northeas

Workers pass by a gas station that was damaged by strong winds from Typhoon Mangkhut as it barreled across Tuguegarao city, Cagayan province, northeas

A man uses a water container to shield him from rain brought about by Typhoon Mangkhut as it barreled across Tuguegarao city, Cagayan province, northe

A man uses a water container to shield him from rain brought about by Typhoon Mangkhut as it barreled across Tuguegarao city, Cagayan province, northe

Ducks pass by a cornfield totally damaged by strong winds from Typhoon Mangkhut as it barreled across Tuguegarao city, in Cagayan province, northeaste

Ducks pass by a cornfield totally damaged by strong winds from Typhoon Mangkhut as it barreled across Tuguegarao city, in Cagayan province, northeaste

Manila police distribute rice porridge to residents living along the coastal community of Baseco as they evacuate at the onslaught of Typhoon Mangkhut

Manila police distribute rice porridge to residents living along the coastal community of Baseco as they evacuate at the onslaught of Typhoon Mangkhut

Residents living along the coastal community of Baseco seek temporary shelter at an evacuation center in the onslaught of Typhoon Mangkhut which barre

Residents living along the coastal community of Baseco seek temporary shelter at an evacuation center in the onslaught of Typhoon Mangkhut which barre

FILE - In this Saturday, Sept. 15, 2018, file photo, Manila police give out rice porridge to residents living along the coastal community of Baseco as

FILE - In this Saturday, Sept. 15, 2018, file photo, Manila police give out rice porridge to residents living along the coastal community of Baseco as

Manila police distribute rice porridge to residents living along the coastal community of Baseco as they evacuate during the onslaught of Typhoon Mang

Manila police distribute rice porridge to residents living along the coastal community of Baseco as they evacuate during the onslaught of Typhoon Mang

Residents living along the coastal community of Baseco seek temporary shelter at an evacuation center in the onslaught of Typhoon Mangkhut which barre

Residents living along the coastal community of Baseco seek temporary shelter at an evacuation center in the onslaught of Typhoon Mangkhut which barre

FILE - In this Saturday, Sept. 15, 2018, file photo, residents living along the coastal community of Baseco wait to receive rice porridge as they seek

FILE - In this Saturday, Sept. 15, 2018, file photo, residents living along the coastal community of Baseco wait to receive rice porridge as they seek

HONG KONG (AP) — Hong Kong and southern China hunkered down under red alert Sunday as strong winds and heavy rain from Typhoon Mangkhut lashed the densely populated coast, a day after the biggest storm of the year left at least 28 dead from landslides and drownings in the northern Philippines.

Nearly half a million people had been evacuated from seven cities in Guangdong province, the gambling enclave of Macau closed down casinos for the first time and the Hong Kong Observatory warned people to stay away from the Victoria Harbour landmark, where storm surges battered the waterfront reinforced with sandbags. Mangkhut is due to make landfall in Guangdong later Sunday.

The national meteorological center said southern China "will face a severe test caused by wind and rain" and urged officials to prepare for possible disasters.

On Sunday morning, the typhoon packed sustained winds of 155 kilometers (96 miles) per hour and gusts of up to 190 kph (118 mph). The Hong Kong Observatory said although Mangkhut had weakened slightly, its extensive, intense rainbands were bringing heavy downfall and frequent squalls.

Hundreds of flights were canceled. All high-speed and some normal rail services in Guangdong and Hainan provinces were also halted Sunday, the China Railway Guangzhou Group Co. said.

In Fujian province and elsewhere, tens of thousands of fishing boats returned to port and construction work came to a stop.

Philippine National Police Director General Oscar Albayalde told The Associated Press that 20 people had died in the Cordillera mountain region, four in nearby Nueva Vizcaya province and another outside of the two regions. Three more deaths have been reported in northeastern Cagayan province, where the typhoon made landfall before dawn Saturday.

Among the fatalities were an infant and a 2-year-old child who died with their parents after the couple refused to immediately evacuate from their high-risk community in a Nueva Vizcaya mountain town, said Francis Tolentino, an adviser to Philippine President Rodrigo Duterte.

"They can't decide for themselves where to go," he said of the children, expressing frustration that the tragedy was not prevented.

Tolentino, who was assigned by Duterte to help coordinate disaster response, said at least two other people were missing.

Mayor Mauricio Domogan said at least three people died and six others were missing in his mountain city of Baguio after strong winds and rain destroyed several houses and set off landslides, which also blocked roads to the popular vacation destination. It was not immediately clear whether the dead and missing had been included in the overall death toll.

About 87,000 people had evacuated from high-risk areas of the Philippines. Tolentino and other officials advised them not to return home until the lingering danger had passed.

In Cagayan's capital, Tuguegarao, where the typhoon hit land, Associated Press journalists saw a severely damaged public market, its roof ripped apart and wooden stalls and tarpaulin canopies in disarray. Outside a popular shopping mall, debris was scattered everywhere and government workers cleared roads of fallen trees.

The Tuguegarao airport terminal also was damaged, its roof and glass windows shattered by strong winds.

The typhoon struck at the start of the rice and corn harvesting season in the northern breadbasket, prompting farmers to scramble to save what they could of their crops, Cagayan Gov. Manuel Mamba said.

In Hong Kong, Security Minister John Lee Ka-chiu urged residents to prepare for the worst.

"Because Mangkhut will bring winds and rains of extraordinary speeds, scope and severity, our preparation and response efforts will be greater than in the past," Lee said. "Each department must have a sense of crisis, make a comprehensive assessment and plan, and prepare for the worst."

Cathay Pacific said all of its flights would be canceled between 2:30 a.m. Sunday and 4 a.m. Monday. The city of Shenzhen also canceled all flights between Sunday and early Monday morning. Hainan Airlines canceled 234 flights in the cities of Haikou, Sanya, Guangzhou, Shenzhen and Zhuhai scheduled this weekend.

For the first time in the history of Macau, next door to Hong Kong, casinos were ordered to close from 11 p.m. Saturday, the South China Morning Post reported. The gambling city suffered catastrophic flooding during Typhoon Hato last August that left 10 dead and led to accusations of corruption and incompetence at its meteorological office.

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Associated Press writers Aaron Favila and Joeal Calupitan in Tuguegarao, Philippines, Jim Gomez in Manila, Philippines, and Gillian Wong in Beijing contributed to this report.