QUETTA: Two unidentified motorcyclists opened fire at Professor Dr Nadir Khan, a professor of medicine at Bolan Medical Complex, and injured him when he was on his way to a hospital on Friday morning. He was rushed to Karachi after initial treatment at Quetta Civil Hospital. Police said that the professor had no personal enmity with anyone and sectarian violence could not be ruled out. Police said Dr Nadir belonged to a Shia sect and had a clinic in a private hospital.