 At 8.25am local time, a joint Afghan National Army and UK Operational Mentoring Liaison Team were patrolling, when they dismounted in the region of Forward Operating Base Attal, in the Gereshk area of Helmand Province.During that time an improvised explosive device was detonated which resulted in the death of Cpl Dempsey and shrapnel and blast injuries to one other ISAF soldier, an Afghan National Army soldier and the patrol interpreter.Ranger Justin James 'Cups' Cupples, aged 29, from 7 Platoon, C (Ranger) Company, 1st Battalion The Royal Irish Regiment, was killed in an explosion while on a foot patrol in Sangin town, northern Helmand Province at 0710 hours local time on Thursday 4 September 2008.