David Murray (39), a plumber by profession, has unearthed an old prisoner of war camp with live ammunition and a hand grenade belonging to the Second World War while digging in his back garden in UK.

The Second World War camp once held 10,000 German soldiers and occupied fields now owned by his landlord in Much Hadham, Hertfordshire.

Murray unearthed a treasure trove of wartime memorabilia. The 2,000 items include coins featuring Nazi emblems, dog tags, buttons from uniforms and even a live grenade that had to be destroyed by an RAF bomb disposal unit.

David got permission from his landlord to continue digging and has now excavated one acre of the site, The Daily Mail reports.

"It was a huge shock when I found the tag. The grenade was a complete shock, too. I spotted it in the ground and didn't realise what it was. It didn't look like the ones you see in films," said Murray.

The camp, known as Wynches, housed 10,000 German soldiers during the Second World War, The Daily Mail reports.

"I tried to defuse it a couple of times but I couldn't get the screws off the top. It's a good job because the RAF said it was very unstable. They weren't very happy with me when I told them I'd been holding it next to my ear and listening to see if it would go bang.

"It's really incredible to think that 70 years ago, 10,000 prisoners of war were walking around in my back garden," Murray added. (ANI)