A 24-year-old man was stabbed to his death and his girlfriend gang-raped in Duduza near Springs, East Rand police said on Sunday.

Captain Johannes Rampholo said the man and his girlfriend where accosted in their room around 2.00am on Saturday when returning from a party.

"A man they knew pushed the door opened, then left," Rampholo said.

Afterwards three men stormed their room, stabbed the man in the chest and took turns to rape the woman.

The man was taken to the hospital where he died.