Updated at 5.45pm: A police car caught fire while travelling along Wai Tsuen Road in Tsuen Wan on Wednesday, local media reported. At around 7am, the police sergeant was travelling along Wai Tsuen Road near the Tsuen Wan Ambulance Depot when smoke began billowing from the vehicle's hood, Ming Pao reported. The sergeant then used a fire extinguisher to put out the fire. No one was injured in the incident, the paper said. After investigations, firemen believe the fire was caused by overheated parts near the engine.