CATLIN, Ill. (AP) — The University of Illinois bomb squad has detonated a World War II explosive in eastern Illinois.

The News-Gazette reports (http://bit.ly/12w9Zjk) that a Catlin resident bought a Japanese hand grenade at a rummage sale. The man showed the grenade to a friend who said it might explode. The pair called police.

Catlin Police Chief Cash Cook says police notified the bomb squad Wednesday night. Bomb squad members used a robot to remove the grenade from a truck and take it to a vacant lot. Squad members dug a hole in the ground and put the grenade and an explosive in the hole. Then they detonated both items.