Lethbridge police are investigating after two 17-year-old boys were struck by a vehicle on Tuesday morning. Officers were called to the 1700 block of Third Avenue South at 7:45 a.m. They say an eastbound SUV collided with the youths who were crossing 17 Street South in a marked crosswalk. Both victims were taken to hospital, and police say one of the teens suffered significant injuries. There is no word on charges against the driver involved.