A man has been arrested for allegedly hurling a grenade at a petrol pump in Punjab's Mansa last month on the directions of gangster-turned-terrorist Arsh Dalla, police said on Tuesday. The accused has been identified as Shimla Singh. He was arrested from Mansa, they said.

The grenade was hurled at the petrol pump located on Sirsa Road in Mansa on the intervening night of October 26 and 27. Following the attack, the petrol pump owner received a threatening call from an international mobile number and the caller, who claimed responsibility for the attack, demanded Rs 5 crore from him, according to police.