Drivers are being warned to approach a Hendon junction with care as the traffic lights have failed.
Transport for London is warning drivers to take care at the crossroads of Brent Street and Church Road.
The lights are thought to have failed an hour ago and engineers are on their way to repair them.
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 The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.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 here