Three Chinese nationals and their Pakistani driver were killed in an explosion in the southern city of Karachi, police say.
The blast ripped through their van, injuring at least four others near the university’s Confucius Institute.
Police have yet to determine the cause of the blast – but the separatist Baloch Liberation Army said the van was attacked by a female suicide bomber.
The group opposes Chinese investment in Pakistan, saying locals do not benefit.
