The M1 Northbound has been closed between J21A and J22 near Leicester due to a multi-vehicle collision.
Emergency services are at the scene. Initially two lanes of the motorway were closed, but now all traffic has been stopped and the northbound carriageway closed.
An alternative route is available and drivers have been advised to follow the hollow triangle diversion symbol.
Traffic is already building up on approach to the scene and drivers are advised to allow extra time for their journeys. We will bring you further updates as they become available.