UPDATE 1150hrs
Bull Lane is passable, route 456 back to line of route.
The Bull Lane entrance to North Middlesex Hospital is blocked by London Fire Brigade.
Routes Affected: 318,456,491
Route 318 from Bull Lane, A Bull Lane, L A406 North Circular Road, L Great Cambridge Road, L Wilbury Way, R Bull Lane to line of route.
Route 491 at the entrance to the hospital, A Bull Lane, circumnavigate the roundabout, leave by Bull Lane northbound to line of route.
Diversion Reference D57611