According to reports the bus carrying registration number 8371 came under attack near Harban Nala when it was heading towards Rawalpindi from Gilgit with 26 passengers on board.
The dead and injured were shifted to Shitial Hospital. The hospital sources said that passenger with serious wounds were shifted to Chilas Hospital.
All those who were killed belonged to Shiite community.
Hundreds of people have lost their lives due to sectarian violence between Sunni and Shiite sects in Gilgit area.