A veteran Afghan officer shot dead eight Nato troops and a civilian before being killed himself after an argument at Kabul airport today.
It was the seventh incident so far this year in which members of the Afghan security forces, or insurgents impersonating them, have killed coalition soldiers or members of the Afghan security forces.
Nato did not disclose the nationalities of the troops killed pending notification of their families.
The Taliban claimed responsibility for the attack, but Defence Ministry spokesman Gen. Mohammad Zahir Azimi said the gunman had been involved in a row.
The killer was was Ahmad Gul, a 50-year-old pilot from Tarakhail district of Kabul province.
“An argument happened between him and the foreigners and we have to investigate that,” said Gen. Azimi
The Taliban claimed that the gunman was impersonating an army officer and that others at the facility helped him gain access. .
Taliban insurgents have stepped up their attacks on government and military installations across Afghanistan.
On April 18, an insurgent managed to sneak past security at the heavily fortified Afghan Defence Ministry compound in the capital and killed two Afghan soldiers and an officer.
Two days before that, an Afghan soldier walked into a meeting of Nato trainers and Afghan troops at Forward Operating Base Gamberi in Laghman province in eastern Afghanistan and detonated a vest of explosives hidden underneath his uniform. The blast killed six Nato troops, four Afghan soldiers and an interpreter.
On April, 15, a suicide bomber dressed as a policeman blew himself up inside the Kandahar police headquarters complex, killing the top law enforcement officer in the restive southern province.
In north-west Afghanistan, a man wearing an Afghan border police uniform shot and killed two American military personnel on April 4 in Faryab. The gunman was upset over the recent burning of the Koran at a Florida church.
In February, an Afghan soldier, who felt he had been personally offended by his German partners, shot and killed three German soldiers and wounded six others in the northern province of Baghlan.
In January, an Afghan soldier killed an Italian soldier and wounded another in Badghis province.
Before today’s shooting the coalition had recorded 20 incidents since March 2009 where a member of the Afghan security forces or someone wearing a uniform used by them attacked coalition forces, killing a total of 36. It is not known how many of the 282,000 members of the Afghan security forces have been killed in these type of incidents.