Our live feed has now finished.
- -The M1 northbound is currently blocked due to a 'serious' crash near Watford.
- -Emergency services were rushed to the motorway following the incident around 1pm.
- -The carriageway has been closed off between junctions 1 and 5 while work is carried out at the scene.
- -Motorists caught up in the closure are being turned around by police.
- -Drivers are urged avoid the area.
- -Hertfordshire Constabulary has been approached for more information.
- -Follow our live blog for updates
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules hereComments are closed on this article