 The men were conducting a routine patrol from FOB Wishtan when at approximately 0520 hrs a member of the patrol accidentally detonated an improvised explosive device (IED) which fatally wounded him and injured seven other members of the patrol.The soldiers then recovered their wounded and dropped back to attend to them and await the assistance of the medical Quick Reaction Force (QRF).At approximately 0530 hours, just as the QRF arrived, a second, more powerful device was detonated in the area where the wounded men were being treated, killing another three members of the platoon including Rifleman Murphy who was carrying his close friend Rifleman Simpson, to safety after he had been wounded in the first explosion.