The M4 is blocked in both directions between Chippenham and Swindon.
A vehicle is on fire - the smoke has caused traffic to be halted as a safety measure.
Emergency services are on the scene.
The mother of a zookeeper who was killed by a tiger has completed a skydive for a charity that was close to her daughter's heart.Read the full story ›
Rosa King, from Chippenham, died of traumatic injuries and was formally identified by her employer, an inquest has heard.Read the full story ›
Police have confirmed they are now investigating the death of a zookeeper from Wiltshire who was killed by a tiger.
Rosa King died at Hamerton Zoo Park in Cambridgeshire on Monday.
Police say they are now jointly investigating with the district council.
The zoo remains closed.
The zoo where a keeper was killed by a tiger had been told to improve its emergency communications systems, it has been reported.Read the full story ›
The CEO of a an international conservation and animal rights organisation has told ITV News that lessons must be learnt from the tragedy of Rosa King's death.
The 33 year old zoo keeper from Chippenham, described as the "shining light" of her workplace, died in a "freak accident" at Hamerton Zoo Park in Cambridgeshire.
Will Travers of the Born Free Foundation says that while speculation about the tragedy is "not a good idea", all zoos in the UK should review their safety protocols.
Mr Travers also urged that the tiger involved should not be put down.
I don't think the tiger should be destroyed, I think that would be easy knee-jerk reaction to a tragedy like this.
I'm sure no one at the zoo thinks the tiger should be destroyed.
A keeper killed by a tiger at a zoo has been named in reports as the Hamerton Zoo keeper killed in a "freak accident"Read the full story ›
The mother of a keeper killed by a tiger at a zoo in Cambridgeshire says her daughter loved the job and "wouldn't have done anything else".Read the full story ›
The line is closed on Great Western Railway's services between Westbury and Chippenham due to a staff shortage.
Train services running through these stations are cancelled - the disruption is expected until 18:15.
A replacement bus service is running to take passengers between the two towns via Trowbridge and Melksham.
A 22 year-old man has been charged with murder after an assault in Chippenham.
Matthew Chapman appeared at Salisbury Magistrates Court this morning and has been remanded custody.
Police were called to London Road just after midnight on 10 May 2017 after reports of a serious assault.
They found a Russell Nixon, 38, from the town lying on the ground with significant injuries. He was pronounced dead at the scene.
Police say his family have been informed.