Security forces arrested two terrorists within four hours after lobbing two hand grenades on Srinagar-Jammu national highway in south Kashmir district of Pulwama on Sunday afternoon, a police spokesman said. He said terrorists lobbed two hand grenades on security forces at Sail Chardoo on the highway at 1610 hrs on Sunday. However, the grenade did not explode, he said adding later Bomb Disposal Squad (BDS) defused both the grenades without causing any damage. He said in this regard case FIR number 90/2020 U/S 307 IPC, 16,18,20 ULAP Act & Section 3 were registered in police station Awantipora and investigation taken up immediately.