A father and three sons were shot dead by unknown gunmen in southwestern Pakistan on Tuesday night, local newspaper reported on Wednesday.
Ghulab Shah, a hardware trader, was travelling home with his six sons when four gunmen ambushed his car on the high-security Sariab Road of Quetta, capital of Pakistan's Balochistan province, Daily Times newspaper quoted police as saying.
Shah and three of his sons died instantly, while the other two were seriously injured.
No group claimed responsibility for the attack.
Police has cordoned off the area and began investigation.