"We have received 10 bodies so far and 35 injured in Civil Hospital,” a hospital official told Reuters.
Two police employees were among those killed in the explosion. The blast occurred amid an ongoing religious demonstration near the club. According to reports, the powerful blast blew dozens of cars parked nearby into the air.
Police are investigating the cause of the blast, while the authorities still haven't confirmed whether the blast targeted the demonstrators.
At the same time, Reuters reported, citing Pakistani officials that the blast was caused by a suicide attacker.