Police in Brazil say they have arrested 22 people as part of an 18-month effort to break an international drug syndicate.

Nigerian troops free 19 hostages - including seven foreigners - seized by militants in the Niger Delta oil region earlier this month, officials say.

Former Alaska Governor Sarah Palin predicts she could defeat President Barack Obama were she to run for the White House in 2012.

Former Guantanamo Bay detainee Ahmed Ghailani is convicted of just one count of terrorism conspiracy over the 1998 bombings of US embassies in Africa.

Up to 40 Rolls-Royce engines on Airbus A380 superjumbos worldwide will need to be replaced, Australian airline Qantas says.

Venezuela extradites three suspected Colombian rebels in a further sign of warming relations between the two neighbours.

The US Air Force warns troops that using social networking sites could inadvertently reveal their location to the enemy.

A woman in Hong Kong is seriously ill with bird flu, becoming the first person to be diagnosed with the virus in the territory since 2003.