Police have confirmed that at least one person has died in a four vehicle crash on the A23.
The road remains closed in a northbound direction after the accident in the early hours, north of Pyecombe.
Police remain at the scene and a diversion has been set up via the A281 as recovery work takes place.
Firefighters were called to a lorry fire on the A23 this afternoon. The scrap lorry caught alight near Pyecombe and closed the Southbound part of the road. Around 15 firefighters tackled the blaze. Once the fire was under control, police were able to re-open the road.
Crews who attended the incident today were not on strike.
Some firefighters have been on strike from 10am till 5pm in an ongoing row over over pensions and working conditions.
There are reports of one lane blocked and slow traffic due to broken down car on A23 Handcross Hill Southbound near B2110 (Handcross).
The A23 Preston Road in Brighton is closed in both directions. There's queueing traffic after an accident involving four vehicles between Stanford Avenue and North Road / Preston Drove.
Officers from Sussex Police are investigating the discovery of human bones by a team of road workers carrying out works on the A23. Specialist search and scenes of crime officers have been at the scene yesterday and today. Officers say nothing else has been found at this time.
In a statement Police said they were keeping an open mind at this time, and have not yet formed a view on how the bones came to be there or their age.
Roadworks contractors have found several bones while working by the southbound side of the A23 in Sussex, 100 metres south of the Slaugham junction. Sussex Police have since confirmed the bones are human. An enquiry has begun to find out how old the bones are and how they got there.
There are delays of up to 50 minutes, one lane closed and queueing traffic for three miles because of a collapsed manhole on A23 London bound before Staplefield Road (Slaugham), congestion on A23 to A272 Cowfold Road (Bolney Cross).