<p><br /> Three British servicemen were killed in separate incidents in Afghanistan in the last 24 hours, the Ministry of Defence has said.<br /> </p><p><br /> An airman from the RAF Regiment died in a road accident last night near Camp Bastion in Helmand.<br /> </p><p><br /> Also yesterday a marine from 40 Commando Royal Marines died in an explosion while on foot patrol in Sangin.<br /> </p><p><br /> The MoD earlier announced a soldier, a member of the Royal Dragoon Guards, died in a blast in the Nahr-e Saraj district of Helmand today.<br /> </p><p><br /> Next of kin have been informed.<br /> </p>