<br/>A British soldier from the Household Cavalry Regiment has died in a grenade attack in Afghanistan. The Ministry of Defence has said the soldier was on foot patrol near Sangin in Helmand when the grenade was thrown from behind a wall Friday. <br/><br/>A U.K military spokesman said he would be sorely missed. His death was not connected with Operation Moshtarak, a major offensive against the Taliban. A total of 277 British service personnel have been killed in Afghanistan since 2001.