ISLAMABAD - Two motorcyclists were killed after being hit by speeding bus of Quaid-e-Azam University (QAU) here on Monday in the limits of Secretariat Police Station.Police said that a speeding bus of QAU bearing registration number (IDM-8714) hit two motorcyclists  - Naveed Akhtar, 31, and his sister-in-law Naheed Bibi 29, near Rawal Lake chowk. They died on the spot. Police said that driver of the bus run away.  The motorcyclists were on their way from Bharakau to Rawalpindi when varsity’s bus crashed them to death. The victims were residents of Bharakau. “We are trying arrest the driver, who has been identified as Shafi Ullah besides shifting the bus from varsity to police station,” said Duty Officer of Secretariat Police Station.