 They were taking part in a patrol with soldiers from the Afghan Security Forces when their Jackal (MWMIK) vehicle was destroyed by an explosive device, both men were pronounced dead at the scene.A member of the Afghan National Security Forces also lost his life and a third Royal Marine was seriously injured.Colour Sergeant Krishnabahadur Dura, aged 36, from the 2nd Battalion the Royal Ghurkha Rifles, was killed in the Musa Qala District of Helmand Province on Saturday 15 November 2008.