There are major delays on the M4 in Wiltshire after a crash involving a caravan.
Emergency services were called to a road traffic collision on the westbound carriageway approaching Junction 18 (Bath) at around 1pm today (Thursday).
The incident involved at least one car and a caravan, according to a witness. Details are yet to be confirmed by authorities.
There are significant delays on the approach, and a full closure is likely in due course.
UPDATE 1.45PM: Closures have been lifted, with only Lane 1 blocked for recovery work. National Highways report delays of one hour on the approach.
