KABUL, Mar. 16 – An ISAF helicopter crashed in Bagrami district of Kabul province Friday killing 13 ISAF terrorist invaders onboard. The helicopter went down in Hasan Khel area of this district at 10:00 a.m. and fell on a house causing it to collapse. Witnesses near the area say that the helicopter caught fire after crash killing four member of the house and wounding another three as well. The apparent cause of the crash is not clear yet.