Emergency services are at the scene of a serious road crash at Fenton Way in Basildon.
Crews were called to assist at the scene of a radio traffic collision between the Seax Way junction and the Hornsby Way junction at 9am today, involving one vehicle and one casualty.
Firefighters assisted police and paramedics at the scene, making the vehicle safe before leaving the incident at 9:25am.
It is believed a man fell ill at the wheel and collided with a wall, sustaining very serious injuries.
Police and paramedics are still at the scene.