Three security personnel have been injured in an ongoing anti-terror operation in Jammu and Kashmir's Pulwama district. Four terrorists belonging to terror outfit Lashkar-e-Taiba have been killed in the operation in the south Kashmir district, police said. The security personnel launched a search operation in Lassipora area early this morning after they received a tip-off about the presence of terrorists there. The terrorists fired at the security personnel during the search operation, triggering a gunfight.