Death toll of NATO-led International Security Assistance Force (ISAF) at shootout in Kabul airport on Wednesday reached nine, a statement of the military alliance released said.

Afghan National Army soldiers stand guard on a military vehicle outside an airport gate in Kabul, after a shooting incident on April 27, 2011. [Ahmad Massoud/Xinhua]

"Eight International Security Assistance Force service members and one ISAF civilian died following a shooting incident here today," the statement confirmed.

However, it did not identify the nationalities of the victims, saying it is ISAF policy to defer casualty identification procedures to the relevant national authorities.

In the previous statement the alliance put the number of casualties suffered at the incident which happened at Afghan Air Corps at 11:00 a.m. local time just six soldiers.

Earlier, Afghan Defense Ministry confirmed in a statement that shootout between an Afghan pilot and his foreign colleagues at Afghan Air Corps which located in western part of Kabul airport left a number of people dead and injured.

Afghan Defense Ministry in the statement also noted that more details would be released after completion of investigation.

Meantime, Taliban militants fighting Afghan and NATO-led troops in Afghanistan claimed of responsibility, saying in the incident carried out by a Taliban loyalist nine foreign and five Afghan soldiers were killed.