The latest stories from the World section of the BBC News web site.
Updated: 1 hour 14 min ago
Five college student have been killed in a late night knife attack at a house party in Canada.
The son of a long-serving policeman is arrested in connection with the stabbing death of five people at a house party in Calgary, police in the Canadian city say.
Shares in the struggling internet search giant Yahoo surge 9%, despite first-quarter profits falling 20%.
An Atlantic City, New Jersey, casino sues professional poker player Phil Ivey, accusing him of winning $10m (£6m) by cheating at baccarat.
Boston has marked the first anniversary of the deadly bombing at last year's marathon, honouring the dead and lauding the character and strength of the survivors and the city's residents.
Brazil has so far trained only 20% of the private security guards needed inside the 12 stadiums for coming football World Cup, BBC Brasil has learned.
Celebrations are held in North Korea to mark the 102nd anniversary of the birth of the country's founding leader Kim il Sung, while protests are held in South Korea to condemn the north's nuclear ambitions.
The amount of fizzy drinks Coca-Cola sells worldwide falls for the first time in 15 years, but still drinks sales are up by 8%.
India's Supreme Court has recognised transgender people as a third gender, in a landmark ruling. Yogita Limaye reports.
North Korean officials visit a west London hair salon to question why it had used their leader Kim Jong-un's image in a poster.
Footage posted online purports to show pro-Russian activists in a Lada confronting a Ukrainian tank.
The Oscar Pistorius murder trial has seen a Valentine's card which his girlfriend Reeva Steenkamp had intended to give him before he shot her dead.
Iraq's government closes the notorious Abu Ghraib prison because of what it says are security concerns.
The UN's Rapporteur on Violence Against Women raises concerns about sexism in British society, describing over-sexualisation of women as "routine".
Armed men have abducted some 100 students from a girls' school in north-eastern Nigeria, officials say.
Two men suspected of links with far-right Golden Dawn are jailed for life in Greece for the fatal stabbing of a Pakistani immigrant.
Church and civic bells ring 96 times across Merseyside to mark the 25th anniversary of the Hillsborough disaster as memorial services take place in Liverpool and Sheffield.
Mini-sub struggles in search for missing plane
Oscar Pistorius' murder trial sees a Valentine's card which his girlfriend Reeva Steenkamp was going to give the athlete before he shot her dead.
Andy Coulson tells the hacking trial he was not aware Milly Dowler's phone had been hacked by anyone at the News of the World.