Katy Perry appointed UNICEF Goodwill Ambassador

Singer Katy Perry was appointed Tuesday UNICEF's newest Goodwill Ambassador, with a special focus on improving the lives of the world's most vulnerable children and adolescents. Duration: 00:46 Dec 4, 2013

Egypt buries revolutionary poet Ahmed Fouad Negm

Egyptian poet Ahmed Fouad Negm, renowned for his revolutionary poetry and for his harsh criticism of political leaders, died on Tuesday at the age of 84, a publisher said. Duration: 00:47 Dec 4, 2013

US, Colombia to triple cooperation in region

President Juan Manuel Santos on Tuesday said Colombia and the United States would triple security cooperation in a group of third countries in Latin America and the Caribbean. Duration: 00:34 Dec 4, 2013

Guardian editor defends Snowden leaks before UK MPs

The editor of Britain's Guardian newspaper Alan Rusbridger on Tuesday defended the publication of leaks by Edward Snowden, insisting during fierce questioning from lawmakers that it had not put any lives at risk. Duration: 00:34 Dec 4, 2013

City of Detroit allowed to move forward with bankruptcy

The city of Detroit won approval to move forward with its bankruptcy filing from a federal judge Tuesday despite objections from city workers fearful of losing their pensions and other creditors. Duration: 00:55 Dec 4, 2013

Thai police yield to protesters ahead of king's birthday

Thai police abandoned their defence of the besieged government headquarters on Tuesday, allowing unruly protesters to cross barricades in a dramatic move that eased tensions ahead of the revered King's birthday. Duration: 02:12 Dec 4, 2013

Bolshoi dancer guilty of attack gets 6-year jail term

Pavel Dmitrichenko longed to dance star roles at the Bolshoi. But now the lanky, hollow-eyed dancer has won notoriety as the mastermind of a shocking acid attack on the troupe's powerful artistic director. Duration: 00:33 Dec 4, 2013

Transparency International releases new corruption survey

Afghanistan, North Korea and Somalia are seen as the world's most corrupt countries while Denmark and New Zealand are nearly squeaky-clean, graft watchdog Transparency International said in a survey Tuesday. Duration: 01:15 Dec 4, 2013

Ukraine protesters react to defeat of no-confidence vote

Ukraine's government survived a no-confidence vote Tuesday after the PM apologised for a police crackdown on protests, while demonstrators massed outside parliament protesting the ex-Soviet state's rejection of a historic EU pact. Duration: 00:38 Dec 4, 2013