A US judge stays Georgia's execution of a convicted murderer, described by his lawyers as mentally disabled, over a law about the lethal drugs used.

Nasa confirms that the Hubble space telescope has found the 14th and smallest moon circling the giant, icy planet Neptune.

Four South American countries say they will recall some of their ambassadors after the Bolivian president's plane was banned from European airspace.

Miguel Angel Trevino Morales, head of the brutal Zetas drug cartel, has been captured in northern Mexico, the government says.

Supporters of ousted Egyptian President Mohammed Morsi clash with police in the capital, as a top US envoy is snubbed by some groups.

Australian PM Kevin Rudd says plans to scrap an unpopular carbon tax will cost A$3.8bn ($3.5bn; £2.3bn), but says families will be better off.

China's top representative in Hong Kong is to meet the city's pro-democracy lawmakers over lunch, in the first such meeting since the 1997 handover.

Panama seizes a North Korean-flagged ship carrying "undeclared military cargo" thought to be "sophisticated missile equipment", its leader says.