A man has been taken to hospital after being sprayed in the face with a fire extinguisher at a railway station.

Police and ambulance crews, including Hazardous Area Response Teams, were called to reports of an assault at Greenhithe station at around 7.30pm yesterday.

Officers say a powdered substance had been sprayed at the victim.

He had his face cleaned and treated at the scene by paramedics, before being taken to Darent Valley Hospital as a precaution.

He is not thought to have suffered serious injuries.

No arrests have been made.