RAWALPINDI: About three teenagers were gunned down by their friend within Gujar Khan Police limits on Wednesday. A youngster identified as Shahbaz showed up in Gujar Khan Area and started firing at his three friends identified as Badar Ali, Abdul Rahman and Mohammad Umar upon suspicion that Umar had become friends with his sister. SHO Sheikh Mohammad Qasim said that Shahbaz had advised Umar to stop contacting his sister, however, he became furious after Umar refused to listen, and he killed him along with the other two friends. The deceased were aged between 19 and 20 years respectively. The police have arrested the Shahbaz and started the investigation.