At least nine people have been reportedly butchered while four others sustained injuries amid a brazen attack on a passenger bus by unidentified gunmen in Akhtrabad locality of Quetta, reported Tuesday morning.

Law enforcement agencies have arrived on the site and after having cordoned off the crime scene, are shifting the injured and dead to Bolan Medical Complex Hospital.
Some of the wounded passengers are said to be critically injured therefore the death tally may further rise, hospital sources feared.