US President Barack Obama has apologised over the burning of Korans at a US airbase in Afghanistan, where three days of protests have killed 14 people.

A veteran Afghan officer shot dead eight Nato troops and a civilian before being killed himself after an argument at Kabul airport today.

Four Afghan soldiers have been killed after a man in a security forces uniform blew himself up at the entrance to a military base in eastern Afghanistan.

PRESIDENT Hamid Karzai registered as a candidate for Afghanistan’s August presidential election yesterday and selected a powerful warlord and former top political leader as his new vice-presidential running mate.

Four people were killed and at least 71 injured when police opened fire on hundreds of student protestors as they rampaged through an Afghan city.