Police are appealing information from people who witnessed the fatal collision on the M4 Eastbound this morning.
A 67-year-old man from the Cardiff area died after a vehicle collided with a wall and an electrical sub-station.
CCTV shows a number of motorists stopping at the side of the vehicle immediately after the collision, officers are particularly interested in speaking to these people. They include heavy goods vehicle drivers, and one man who actually got out of the passenger side of a passing vehicle and walked over to have a look inside.
Witnesses are asked to contact Gwent Police’s Collision Investigation Unit on 01633 642404.
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