Ermelo Police are investigating a case of rape after an incident on Saturday evening at about 8.30pm in Ext 1 in Wesselton.
A 15-year-old girl was on her way home with friends when they were confronted by three men.
The other girls ran off in different directions.
One of the girls was caught by the men and was allegedly threatened with a knife while they forced her to a house nearby.
One of the suspects allegedly raped the girl.
No arrests have been made yet.