There are delays building on the M1 tonight (Thursday, April 1) after a traffic collision involving multiple vehicles.
Highways England reported the incident on the northbound carriageway between junctions 8 and 9.
Traffic officers and emergency services are understood to be at the scene, and one lane has been closed.
An update on the incident from Highways England at just after 6.15pm said: ” #M1 Northbound j8 to J9 there is a confirmed traffic collision in lane 4 multiple vehicles, traffic officers are enroute and signals are set for lane 4 closure #hemel Hempstead”
This is a developing news story. We will bring you all the latest in our live blog below: