A driver lost his while three others were injured after a big stone fell on sumo in Kishtwar district on Friday evening.

A senior police said that at accident took place on Dachan road when one big stone fell on Sumo in which driver died on spot while three persons were injured.

He said that all three were shifted to district hospital Kishtwar where condition of one is said to be critical.

He said that their identification is being ascertained and further investigation has been taken up, he added.