JOHANNESBURG —
"It is reported that at least 20 armed suspects stormed into the hostel and opened fire to the victims," said Robert Netshiunda, a police spokesperson in the coastal province of KwaZulu-Natal.
Five more people with gunshot wounds were rushed to a clinic, he added.
On Sunday, gunmen killed eight people and wounded three others in a different mass shooting, police said.
Police said they were investigating the murder cases.
South Africa has one of the world's highest murder rates, with around 20,000 people killed every year out of a population of 60 million.