Boy, 5, seriously injured after rock thrown through train window in Cairns North

A five-year-old boy has been seriously injured after a rock was thrown at his head in a bizarre train incident, with detectives now investigating.

A five-year-old-boy has been left with serious head injuries after a rock struck him while riding on a train in Far North Queensland.

Detectives on Sunday issued a public appeal for witnesses or anyone with vision in the Cairns North area to come forward.

Queensland Police said its believed a rock was thrown through the train window about 4pm on Saturday near the James St and Law St intersection.

“Initial investigations indicate just after 4pm, a rock was thrown through a train window … striking a 5-year-old boy in the head,” a spokesman said.

The incident occurred near the James St and Law St intersection in Cairns North on Saturday October 19. Picture: Google Maps.

The boy suffered serious head injuries and was taken to Cairns Hospital but is expected to be transported to Townsville Hospital on Sunday for further treatment.

Anyone with information has been urged to contact Policelink or Crime Stoppers and quote the incident reference number QP2401797769.