Peterborough born Lieutenant Edward Drummond-Baxter has been killed whilst on patrol in the in the Nahr-e Saraj district of Helmand province.
The Ministry of Defence said that Lieutenant Drummon-Baxter, was participating in a meeting with Afghan police with his colleague Lance Corporal Siddhanta Kunwar.
Shortly after, both men were shot and killed by a man wearing an Afghan police uniform who had been at the meeting.
Both men, who died yesterday, were from 1st Battalion The Royal Gurkha Rifles.
Lieutenant Drummond-Baxter leaves behind his mother, Helen, father, David and sister, Emily.