At least three militants, including a local commander, were killed on Monday when paramilitary troops raided their hideout in Pakistan's Balochistan province, officials said.Home Minister of Balochistan Sarfraz Bugti said the militants were involved in an attack on President Momnoon Hussain's son and other terrorist activities in the province, Xinhua news agency reported.Bugti said security forces gunned down the militatns in Hub district of the province on an intelligence tip-off, who were members of separatist group Balochistan Liberation army.The paramilitary forces launched an operation to hunt down the militants, but they opened fire at the troops, engaging them into a gun battle, he added.The operation is part of the ongoing combing operation in the province, following a bomb explosion inside a hospital in Balochistan's Quetta on August 8, in which at least 75 lawyers were killed, and over 100 injured.