Six foreign soldiers were killed in the Afghan capital Kabul on Wednesday.

"Six International Security Assistance Force (ISAF) service members died following a shooting incident here today," the Nato- led ISAF said in a statement.

However, it did not identify the nationalities of the victims and provide no further details.

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