 Sergeant Davidson's Ridgeback, the rear vehicle of the column, struck an improvised explosive device and was fatally wounded.On 14 September, Lance Corporal Duane Groom, aged 32, from Queen's Company, 1st Battalion Grenadier Guards, was killed in action when his vehicle struck an improvised explosive device in the Nahr-e Saraj district of Helmand province.On 15 September, Sergeant Gareth Thursby, aged 29, and Private Thomas Wroe, aged 18, both of 3rd Battalion The Yorkshire Regiment (3 YORKS), were shot and fatally wounded by a rogue Afghan Local Policeman in Checkpoint Tora in the Nahr-e Saraj district of Helmand province.