 The incident occurred during a security patrol to clear a Helicopter landing site.Captain Alex Eida, 2nd Lieutenant Ralph Johnson and Lance Corporal Ross Nicholl were killed after a vehicle patrol was ambushed by militants in a northern district of Helmand province in southern Afghanistan on 1 August, they were ambushed with RPGs, AK-47s and a heavy machine gun.Private Andrew Barrie Cutts of 13 Air Assault Support Regiment was taking part in an action in Musa Qala, Helmand province, against insurgents when he was killed on 6 August.