 Ranger Dalzell was shot in the chest by a colleague in what was described as tragic accident during a weapon cleaning procedure.Ranger Dalzell, who died instantly, was helping to erect a memorial to a colleague who had been killed when the incident happened.On 5 February, Warrant Officer Class II (Company Sergeant Major) Colin 'Tom' Beckett, aged 36, of 3rd Battalion The Parachute Regiment, was killed by a bomb blast in the village of Sheheed in Helmand Province.