The coroner has begun summing up at the M5 inquest in Taunton. After listing the 7 dead, their ages and addresses the court has been hearing how each of the 34 vehicles was damaged.
Burning fuel is thought to have helped spread the fire. A diesel tank exploded knocking firemen off their feet as they tried to fight the flames. Exploding lorry tyres added to the noise.
The names of those who helped and details what they did at the crash have been given in court.
Kevin Faulkner was pinned by the legs but directed the emergency services to help others in more need - even though flames were spreading closer to him. He was rescued in time after others had been helped.
An explosives expert tells an inquest he has been unable to find any literature warning of the dangers of smoke from fireworks to drivers.
Drivers have told an inquest of their horror at being involved in one of the worst British motorway pile-ups in living memory.
Witnesses have been describing the driving conditions at the inquest into the deaths of seven people who died after a pile-up on the M5.