At least two policemen were killed while five others injured in an explosion near Balochistan University in Quetta on Tuesday.Talking to Express News, Balochistan Home Minister Sarfaraz Bugti confirmed the incident.“The attack targeted a check-post in which two police personnel lost their lives while five more are injured, including three police personnel,” he said."The injured have been shifted to the hospital and bomb disposal squad is carrying out investigation of the blast," the home minister added.However, he declined to disclose any further detail.The outlawed Tehreek-e-Taliban Pakistan claimed responsibility for the attack."The TTP's special unit MSG targeted the police through IED," the TTP spokesperson said in a statement.The banned TTP and Baloch insurgents frequently carry out attacks on security forces and government installations in the province which is home to a raging insurgency that has claimed the lives of hundreds of soldiers and militants since it re-ignited in 2004.The province’s roughly seven million inhabitants have long complained they do not receive a fair share of its gas and mineral wealth.On May 3, at least five Rapid Response Group (RRG) personnel, including an officer, were injured as their vehicle came under attack by a roadside bomb in Eastern Bypass area of Quetta.Last month, a father and his son were killed in a landmine blast in the Lehri area of Sibi. The incident occurred when a motorbike ran over a landmine in the Goth Abdul Ghafoor neighbourhood, resulting in a huge blast, the Levies forces said in a statement.