LONDON (AFP) A British soldier has been killed in a blast in southern Afghanistan, the Ministry of Defence announced Tuesday, bringing the countrys death toll to 325 since operations began there in 2001. The soldier from 36 Engineer Regiment was working with a team searching for roadside bombs when he was killed in an explosion on Monday in the Sangin area of Helmand province. He was part of a search team that was involved in an operation to provide security in Sangin District when tragically he was killed in an explosion, said military spokesman Lieutenant Colonel James Carr-Smith. Britain has around 9,500 troops in Afghanistan as part of an international force fighting the Taliban, most of them in Helmand.