Security forces are carrying out extensive searches in the area to trace and apprehend the attackers, who fled the spot after opening fire on the CRPF personnel. Srinagar: A massive cordon and search operation (CASO) continued for nearly 17 hours in Jammu and Kashmir's Kulgam district on Thursday after unidentified motorcycle-borne assailants opened fire on Central Reserve Police Force (CRPF) personnel deployed at a checkpoint, injuring three jawans.