Pretoria - A 16-year-old Nigerian girl has been arrested after she allegedly stabbed a 49-year-old security guard who she said tried to rape her.

A local publication Premium Times, reported on Monday that Lagos police spokesperson Bala Elkana said the man was stabbed to death allegedly by the 16-year-old girl at his residence at Ogundele street, Aboru in Lagos.

According to a police statement, the teenager went to the house of the deceased to help him fetch water as he was living alone.

The publication said the deceased was a friend to the suspect’s father and she had always helped him with house chores.

“While she was helping out with the water on Saturday, he attempted raping her and she picked a knife from the room and stabbed him,” Elkana was quoted saying.