A 6-years-old boy picked up a grenade from the ground in his house yard  and it detonated in his hand Wednesday killing him and injuring his cousin, a 5-years-old boy, police said.

The blast took place in Wednesday evening just outside of his house in Gramsh city of Albania.

“The boy was seriously injured after he picked up something from the ground and play with it with his cousing and device exploded,” police said.

He could not survive but his cousin is actually out of life threaten condition at hospital.