Overview
- National Highways says the M1 in Leicestershire remains shut southbound between junctions 21 and 20 after a collision involving two lorries caused a fire and fuel spillage.
 - Northbound traffic was released, but southbound repairs include specialist cleaning and full resurfacing, with diversion routes in place and long delays reported.
 - Leicestershire Police advised drivers near the M1 scene to stay in vehicles with windows closed and vents off because of smoke.
 - Wiltshire Police are investigating a five-vehicle A303 crash near Winterbourne Stoke that left a woman in her 20s with life-threatening injuries and are appealing for witnesses and dashcam footage.
 - Further disruptions included a serious M6 southbound closure between junctions 13 and 12 after a crash involving an HGV and a van, while separate incidents on the M54, M11, and in Trowbridge were cleared or reported with no major injuries.