A mass shooting at a tavern in Johannesburg's Soweto township has killed 14 people and left three others in critical condition, according to police.

Police say they are investigating reports that a group of men arrived in a minibus taxi and opened fire on some of the patrons at the bar late Saturday night. Police were on Sunday morning removing bodies of the deceased and investigating what had led to the mass shooting. The three critically injured and one other person wounded have been taken to Chris Hani Baragwanath Hospital. The number of cartridges found on the scene indicated it was a group of people who shot at the patrons, said Gauteng province police commissioner Lt. Gen. Elias Mawela.