Police are hunting a predator who attacked a teenage boy in Perth’s northern suburbs.

Officers say the 17-year-old had just got off a bus in Nollamara, when he was violated in a laneway.

The teenager was threatened and sexually assaulted by the stranger.

Police have released three photographs in the hope someone might recognise the man with whom they want to speak.

Camera Icon Police want to speak with this man.

The attack happened between 12.30am and 1.30am on Monday, between Quadea Way and Almurta Street.

Several surrounding residents said they didn’t hear anything unusual.

If you know this man or have any information that might help police, call Crime Stoppers on 1800 333 000 or make a report online.