Police are at the scene of a serious collision on the A1089 Dock Approach Road in Tilbury.
It follows reports that a van and a HGV collided while travelling towards the A13. The collision occurred at around 3.40pm.
The road has been closed to traffic while enquiries are carried out.
Anyone with information or dash cam footage is asked to call our Serious Collision Investigation Unit on 101 quoting incident 764 of 21/09.
You can also report information by visiting www.essex.police.uk.