The M1 is closed after a car fire, causing severe delays right down to Milton Keynes.
Highways England tweeted at about 2.40pm: "#M1 northbound between J16 and J17, by Watford Gap services is currently blocked due to a car fire. #TrafficOfficers are on scene and emergency services are attending.
"Please look for alternate routes if heading north.
"This will cause considerable delays."