IHOP Shooting
Officers look through a bullet-damaged window of an IHOP restaurant in Carson City, Nev. on Tuesday, Sept. 6, 2011. Seven people were wounded after a...
Officers look through a bullet-damaged window of an IHOP restaurant in Carson City, Nev. on Tuesday, Sept. 6, 2011. Seven people were wounded after a gunman opened fire at the restaurant, authorities said. (AP Photo/Cathleen Allison)
NEVADA SHOOTING
Map locates Carson City where a gunman opens fire at an IHOP restaurant
Map locates Carson City where a gunman opens fire at an IHOP restaurant
APTOPIX IHOP Shooting
With bullet holes seen in a window, officers look for evidence at the scene of a shooting at an IHOP restaurant in Carson City, Nev. on Tuesday, Sept...
With bullet holes seen in a window, officers look for evidence at the scene of a shooting at an IHOP restaurant in Carson City, Nev. on Tuesday, Sept. 6, 2011. Seven people were wounded after a gunman opened fire at the restaurant, authorities said. (AP Photo/Cathleen Allison)
IHOP Shooting
Emergency personnel respond to a shooting at an IHOP restaurant in Carson City, Nev. on Tuesday, Sept. 6, 2011. Seven people were wounded after a gun...
Emergency personnel respond to a shooting at an IHOP restaurant in Carson City, Nev. on Tuesday, Sept. 6, 2011. Seven people were wounded after a gunman opened fire at the restaurant, authorities said. (AP Photo/Cathleen Allison)
Restaurant Shooting
Emergency personnel respond to a shooting in an IHop restaurant in Carson City, Nev., on Tuesday, Sept. 6, 2011. A gunman with a rifle opened fire ...
Emergency personnel respond to a shooting in an IHop restaurant in Carson City, Nev., on Tuesday, Sept. 6, 2011. A gunman with a rifle opened fire at a International House of Pancakes restaurantkilling three people including two uniformed National Guard members and himself, and wounding six others in a hail of gunfire during the morning breakfast hour, authorities and witnesses said. (AP Photo/Cathleen Allison)
IHOP Shooting
Police investigate the outside the scene of the shooting at an IHOP restaurant in Carson City, Nev., Tuesday, Sept. 6, 2011. A gunman with a rifle o...
Police investigate the outside the scene of the shooting at an IHOP restaurant in Carson City, Nev., Tuesday, Sept. 6, 2011. A gunman with a rifle opened fire at a International House of Pancakes restaurantkilling three people including two uniformed National Guard members and himself, and wounding six others in a hail of gunfire during the morning breakfast hour, authorities and witnesses said. (AP Photo/ The Reno Gazette Journal, David B. Parker)
IHOP Shooting
The body of a victim lies outside of an IHOP restaurant in Carson City, Nev., Tuesday, Sept. 6, 2011. A man with a rifle opened fire at the IHOP rest...
The body of a victim lies outside of an IHOP restaurant in Carson City, Nev., Tuesday, Sept. 6, 2011. A man with a rifle opened fire at the IHOP restaurant in Nevada's capital on Tuesday, killing at least two National Guard members, another person and himself in a hail of gunfire during the morning breakfast hour, authorities and witnesses said. (AP Photo/Cathleen Allison)
IHOP Shooting
Officials investigate the scene of a shooting in an IHOP restaurant in Carson City, Nev., on Tuesday, Sept. 6, 2011. A gunman with a rifle opened f...
Officials investigate the scene of a shooting in an IHOP restaurant in Carson City, Nev., on Tuesday, Sept. 6, 2011. A gunman with a rifle opened fire at a International House of Pancakes restaurantkilling three people including two uniformed National Guard members and himself, and wounding six others in a hail of gunfire during the morning breakfast hour, authorities and witnesses said. (AP Photo/Cathleen Allison)
A man with an AK-47 assault rifle shot a group of five uniformed National Guard members eating breakfast at a Nevada restaurant, killing two of them and another person in a hail of gunfire.
The suspect, 32-year-old Eduardo Sencion, shot himself and later died at a hospital.
Seven people were wounded in the attack in the state's capital, three of them National Guard members.
The gunman's motive was unclear, but Carson City Sheriff Kenny Furlong said that "obviously with five out of the 11 victims uniformed National Guardsmen, that has taken a priority interest in our investigation."
Sencion worked at his family's business in South Lake Tahoe, he was not in the military, and he had no known affiliations with anyone at the restaurant, Furlong said. He also had no criminal history.
Sencion's family raised concerns about his mental health in interviews with investigators, Furlong said. He did not elaborate.
The owner of a nearby barbecue restaurant described a frantic scene in which the gunman pulled up and immediately shot a man on a motorcycle, then charged into the restaurant where the Guard members were meeting.
Nevada officials first worried about the violence being more widespread. They locked down the state Capitol and Supreme Court buildings for about 40 minutes, and put extra security in place at state and military buildings in northern Nevada.
"There were concerns at the onset, so we took certain steps to ensure we had the capability to embrace an even larger circumstance," Furlong said. "At this point in time it appears to be isolated to this parking lot."
The restaurant is about four miles (6 kilometers) from the Guard's headquarters complex. Nevada National Guard spokeswoman April Conway said she didn't know why the five Guard members had met at the restaurant.
At a Reno hospital, service members gathered, waiting for word on those killed and hurt. A hospital spokesman said four shooting victims were being treated there, but wouldn't discuss their conditions or provide any other information.
"You go a whole tour in Afghanistan and no one is shot. And you go to (a restaurant) and several are shot," said 31-year-old Sgt. First Class Cameron Anderson of Reno, a Nevada Army National Guard member. "It's a shock. I came to work today and had no idea I'd be driving the chaplain here (to the hospital)."
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Associated Press writers Michelle Rindels, Ken Ritter and Oskar Garcia in Las Vegas; Martin Griffith in Reno; and Scott Sonner in Carson City contributed to this report.