QUETTA - Six alleged militants and a commander of the outlawed Baloch Liberation Army (BLA) were killed and several others were arrested by Frontier Corps (FC) during an operation in Mangochar area of Kalat district Thursday.According to FC spokesperson, a search operation was carried out in Mangochar area of Kalat district on the directives of the Balochistan government. “A BLA commander along with his six men were killed and several others were arrested,” he said, adding that the militants were involved in many crimes, including killing of settlers, bomb blasts and kidnapping for ransom in Quetta and other parts of the province. “People of Mangochar lauded FC for taking action against militants and assisted the force,” spokesperson said.FC Inspector General Major General Ubaid Ullah Khan praised the people of Mangochar for helping FC during search operation and said the operation against criminals would be continued to bringing peace in Balochistan.Balochistan Home Secretary Captain (r) Akbar Hussain Durrani confirmed that six militants of BLA, including a commander identified as Younus Baloch, were killed. “The operation was conducted after the FC got a snitch,” he said, adding that the power of police had been given to FC for one month. He said provincial government had given a free hand to the FC for carrying out search operations.However, sources said that only one man was killed in the Mangochar operation. “Helicopter was also used in the operation,” they added.After the operation, dozens of people, including women and children, blocked National Highway connecting Quetta with Karachi in protest against the operation.Protestors chanted slogans against the security personnel and demanded immediate release of the arrested people, calming they were innocent.The highway remained blocked for five hours, causing difficulties for the travellers. The protesters called of the protest when the local administration assured them that the arrested men would be released.