-- Hungary stuns migrants and its European partners by blocking asylum seekers from two west-bound trains, a move that raises new challenges for the EU's passport-free travel zone.
-- President Barack Obama secures a legacy-defining foreign policy victory as Senate Democrats clinch the necessary votes to ensure the Iran nuclear deal survives in Congress.
-- The photo of a dead Syrian boy on a Turkish beach who died along with his brother and his mother when their small rubber boat capsized as it headed for Greece hammers home the Syrian migrant crisis to the world.
-- Hundreds of migrants, exhausted after breaking away from police and marching for hours toward Western Europe, board buses provided by Hungary's government after Austria and Germany say they would let them in.
-- Germans waving welcome signs in German, English and Arabic gather at a train station to welcome the first group of what is expected to be a wave of thousands of migrants fleeing conflict in the Middle East, Afghanistan and Africa.
-- An independent report into last year's disappearance of 43 Mexican college students says they may have unwittingly interfered with a drug shipment.
-- A citizen revolt against Guatemala' s political establishment that helped oust former President Otto Perez Molina in the midst of a corruption scandal continues at the ballot box with the establishment front-runner finishing third and missing a runoff election.
-- Turkey deploys ground forces across the border into northern Iraq for the first time since 2011, stepping up its battle with Kurdish rebels who have stung the Turkish military with a string of attacks in recent weeks.
-- Queen Elizabeth II reaches a major milestone, becoming the longest-reigning monarch in British history by passing Queen Victoria.
-- President Barack Obama wins biggest foreign policy victory of his second term as opponents in Senate of Iran nuclear deal fail to block it.
-- Crane collapses into the Grand Mosque in Mecca, killing more than 110 people ahead of the annual hajj pilgrimage later in the month.
Jeremy Corbyn, a veteran anti-war campaigner known for his unapologetically socialist views, wins a landslide victory to lead Britain's opposition Labor Party in one of the country's biggest political shake-ups in decades.
-- Germany introduces temporary border controls to stem the tide of thousands of refugees streaming across its borders.
--Australia's ruling conservatives oust Prime Minister Tony Abbott for his more moderate rival.
-- Surge of refugees into Europe raises concerns whether militants might be among them.
-- Hungarian police clash with migrants on Serbian border, injuring dozens; others enter Croatia.
-- Federal Reserve keeps U.S interest rates at record lows in the face of threats from a weak global economy, persistently low inflation and unstable financial markets.
-- Bickering European nations shut borders, block bridges, halt trains and erect barbed-wire fences in a bid to stem the flow of thousands of migrants fleeing conflict and poverty in the Middle East and Africa.
-- U.S. Secretary of State John Kerry says the Russian movement of tactical aircraft and surface-to-air missiles to Syria could pose a threat to American and allied forces.
-- Pope Francis meets with former President Fidel Castro after urging tens of thousands of Cubans to serve one another and not an ideology, a subtle jab at the communist system.
-- Volkswagen, the world's top selling automaker, loses a stunning 17.1 percent of its value after admitting that it intentionally rigged nearly half a million cars to defeat U.S. smog tests.
-- Pope Francis, making his first visit to the United States, brings his "church of the poor" to the world's wealthiest superpower, a country polarized over issues close to his heart -- immigration, social justice and inequality.
--European Union leaders, faced with a staggering migration crisis and deep divisions over how to tackle it, manage to agree to send 1 billion euros ($1.1 billion) to international agencies helping refugees at camps near their home countries.
-- Hundreds of people are crushed and trampled to death as two waves of Muslim pilgrims collide at an intersection near a holy site in Saudi Arabia in the worst disaster at the hajj in a quarter-century,
-- International leaders at the United Nations approve an ambitious 15-year plan to tackle the world's biggest problems, from eradicating poverty to preserving the planet.
-- China's president pledges billions in aid and says Beijing will forgive debts due this year in an effort to help the world's poorest nations.
-- Pope Francis urges hundreds of thousands of faithful gathered in Philadelphia for the biggest event of his U.S. visit to be open to the "miracles of love," closing out a six-day trip with a message of hope for families and consolation for victims of child sexual ab use.
--President Barack Obama and Russian President Vladimir Putin agree to discuss a political transition in Syria but remain at odds about what that would mean for Syria leader Bashar Assad's future.
-- The death toll from Saudi-led airstrikes that hit a wedding party in Yemen rises to 131 , making it the deadliest single incident since the start of the civil war.
-- Russia launches air strikes in Syria it says target Islamic State militants but Western officials say moderate opponents of President Bashar Assad are targets as well.