A man armed with a knife kills two security guards outside Sudan's presidential palace in Khartoum before being shot dead, officials say.

Suspected Mexican gang members have confessed to killing more than 40 students who went missing six weeks ago, the attorney general says.

A controversial plaque unveiled last week by Prince Charles in the Colombian port city of Cartagena is removed after local opposition.

President Obama has chosen New York federal prosecutor Loretta Lynch to replace Eric Holder as US attorney general, the White House says.

Thousands in the Philippines take part in a memorial walk on the first anniversary of Typhoon Haiyan, which left more than 7,000 people dead.

An Indian aircraft is grounded after it hit a stray buffalo during take-off from the western city of Surat, but nobody on board was injured.

A fourth victim who was wounded in a US school shooting in Washington state last month, a cousin of the shooter, has died, officials say.

Countries of Asia and the Pacific region agree on a Chinese-led initiative to set up a network to share information on corruption.