A body has been found inside a truck that rolled and caught alight on the M1 at Mount Kuring Gai, in Sydney's north, early this morning.

Emergency services were called to the southbound lanes of the M1, near the Church Street overpass, about 2.30am today.

A B-double had crashed into the medium strip and rolled before catching on fire – burning a load of wool it was transporting.

A body, believed to be the driver, was found inside the Prime Mover and is yet to be identified.

Police have established a crime scene and a full investigation is now underway.

Traffic is being diverted around the crash site and motorists are being advised to avoid the area where possible.

Please refer to livetraffic.com for the latest traffic updates.

Anyone with information is urged to contact Crime Stoppers on 1800 333 000

Source: 9News https://www.9news.com.au/national/sydney-m1-fatal-truck-accident-body-found-mt-kuring-gai/eeecf5ab-b018-44b7-8563-4dcab7bae2ba