One person has died after a suspected grenade was thrown into a nightclub in the Kenyan city of Mombasa, police say.

Pakistani President Asif Ali Zardari is likely to attend Nato's Chicago summit on Afghanistan amid signs a crisis in relations may be easing.

A 35-carat diamond passed among Europe's royalty for four centuries, the Beau Sancy, sells for twice its reserve at auction in Switzerland.

Bosnian Serb former General Ratko Mladic goes on trial in The Hague on 11 counts of war crimes and crimes against humanity, including genocide.

Over-the-counter HIV tests, which would allow people in the US to check in the privacy of their homes if they have the virus, move a step closer.

The Pentagon issues further safety procedures for its most advanced fighter jet, following complaints by pilots about oxygen shortages during flights.

An Indonesian search team has found the black box of a Russian Sukhoi Superjet plane that crashed into the mountains last week.

Chinese dissident Chen Guangcheng tells the US Congress of "a pattern" of harassment against his relatives, in a second telephone conversation.