Police are at the scene of a serious collision in Brentwood.
Officers were called to London Road shortly after 6.10am this morning, Tuesday October 20, to reports that a man on a motorbike had been injured.
The biker, a man in his 30s, has been taken to hospital with life-threatening injuries.
A road closure is currently in place on Honeypot Lane (North Weald side) and at the petrol garage on London Road.
Diversions are in place, but drivers are asked to avoid the area where possible.
Anyone with CCTV or dash cam footage, or information about this incident can report it online, or call 101, using the crime reference number 117 of 20 October.