The latest stories from the World section of the BBC News web site.
Updated: 1 hour 24 min ago
President Obama has welcomed Burma's president, Thein Sein, to the White House.
Middle East editor Jeremy Bowen explores what might happen if Iran continues with its nuclear programme.
A gigantic tornado has ripped through a suburb of Oklahoma City, on the second day in a row the Midwestern state of Oklahoma has been slammed by twisters.
The government of Venezuela is trying to import 50 million rolls of toilet paper before supermarket shelves run out of stock.
The world of brute strength and brawn isn't just a young man's game, as one 92 year old was keen to prove.
The family of Chen Guangcheng are 'paying for his activism' back home according to the Chinese dissident
Fierce fighting is reported in the strategic Syrian town of Qusair, as the state news agency reports that the army has taken control of most of the town.
At least one person has died and several others were injured in a series of tornadoes that have torn through the US state of Oklahoma.
George Alagiah reports on how Ethiopia has overcome adversity and is now showing some of the fastest growth rates in the world.
Rwandan President Paul Kagame has issued a scathing assessment of the United Nations peacekeeping force in the Democratic Republic of Congo.
The BBC has seen evidence that the Syrian regime is getting support from Shia fighters crossing into the country from Iraq.
George Alagiah has been to a shoe factory with a difference in Addis Ababa, Ethiopia.
Authorities in the US state of Florida are calling for the holder of a $590m winning lottery ticket to come forward and claim their prize.
Artist Ai Weiwei has created a map of China made entirely out of tins of formula milk, to highlight tensions over tainted baby food.
Syria's President Assad has said he has no intention of stepping down in his first interview since calls were made for a peace conference to try and resolve the conflict.
Hundreds of people have attended the funeral of the murdered vice-president of Pakistan's PTI party, Zahra Shahid Hussain, at a mosque in Karachi.
One protester has died as tensions rise in Tunisia between hardline Salafists and the country's moderate Islamist government.
Up to 100 predominantly luxury cars are taking part in the Gumball 3000 rally in which some of the world's richest petrol-heads get to flaunt their wealth during a drive that will take them through Europe.
A two-mile viaduct in the Chinese city of Wuhan has been demolished, breaking a record for the longest reinforced concrete bridge ever blown up in the country.
Syrian government forces have surrounded the rebel stronghold of Qusair and are storming it from several directions, says Syrian state TV.