A woman has suffered serious injuries in an incident at a seafront village.
Essex Police said officers were called to Jaywick Sands, near Clacton-on-Sea, at about 16:00 GMT.
Several police cars and an ambulance could be seen parked at the scene.
The force said there was no ongoing risk to the wider public but there would be a "significant police presence" following the incident in Hillman Avenue. People were urged not to speculate about the circumstances.