A US veteran who kept loaded guns at his bedside has been arrested for threatening to kill President Barack Obama in a murder-suicide.

US President Barack Obama has received 12 stitches in his lip after being injured during a basketball game today.

The general sacked by Barack Obama as Afghanistan's coalition commander ended his 34-year army career in a retirement ceremony at his Washington military headquarters.

United States President George Bush tonight called for an international effort to stop the global spread of weapons of mass destruction, describing them as the “the greatest threat before humanity today“.