SRINAGAR: Two top commanders of Lashkar-e-Taiba and Hizbul Mujahideen were among four terrorists killed in an encounter with security forces in Watergam area of Anantnag district in south Kashmir in the wee hours of Sunday.The four terrorists were killed in a brief exchange of gunfire between them and a joint team of security forces within the residential premises of one Fayaz Ahmad Dar, police said.South Kashmir DIG Atul Goyal said that acting on specific inputs about the presence of some terrorists, a joint cordon-and-search operation by J&K Police, CRPF and Army was launched in the area on Saturday night.As the search was intensified, the hiding terrorists fired upon the forces, who retaliated heavily, triggering the encounter, the DIG said.He said while the encounter was on, the four holed-up terrorists tried to break the cordon and flee. At this point the forces shot down all of them, the DIG said, adding that none of the security personnel was injured in the gunfight.Two AK 47 rifles, two pistols, ammunition and other incriminating materials have been recovered from the slain terrorists, who have been identified as Muzaffar Ahmad, Umar Ahmad, Gulzar Ahmad and Sajad Ahmad , the DIG said.While Muzaffar and Umar belonged to Sopat village, Gulzar came from Tarigam village and Sajad from Tengbal Frisal village of Kulgam district , he added.About their affiliation, Goyal said while Muzzafar, Umar and Sajad were associated with Lashkar, Gulzar worked for Hizbul. Muzzafar and Gulzar were operating as top commanders of their respective terror outfits, he said, adding that all four were involved in several terror cases.Meanwhile, as a precautionary measure, internet services have been suspended in Anantnag and Kulgam districts.