Jammu and Kashmir Chief Minister Mehbooba Mufti on Sunday asked the security forces “to exercise maximum restraint while operating in provocative situations”, as a shutdown and street violence continued to disrupt life in the Valley.“The security forces should exercise maximum restraint and follow strictly the standard operating procedure,” said Ms. Mufti, while condemning the killing of PDP worker Bashir Ahmad.The shutdown call by separatists against the killing of a civilian in BSF firing on Sunday brought life to a standstill in the Valley. According to the police spokesman, a mob assembled in Shopian’s Heff village as the security forces were launching a cordon and search operation. “The militants fired at the security forces. Later, they took advantage of the mob and escaped,” said the spokesman.On Sunday evening, a petrol bomb was hurled at a security forces’ patrol in Srinagar’s Rainawari area. However, no casualty was reported.College closedThe authorities on Sunday decided that the Pulwama Degree College, will be closed on Monday and Tuesday, where over 50 students were injured in clashes with security forces on Saturday.In another incident, one person was killed and another injured after unidentified men opened fire on them in Pulwama district last night, police said.Gunmen kill one The gunmen entered the house of Bashir Ahmad Dar on Saturday night and fired at him and his cousin Altaf Ahmad Dar, leaving them injured, a police official said. Bashir was declared brought dead at a hospital.