- Emergency services say there are "multiple casualties"
- The M11 is closed northbound from junction 7 to junction 8
- The crash involved three cars, a lorry and a horsebox
- Five fire crews have been sent to the scene
More top news
The mother of a former altar boy who tried to blow up a train insisted he was 'a big softie' who didn't want to hurt anyone.
Its current five year licence comes to an end next Tuesday.
Extra armed police will guard major sporting events in London this weekend after the military was drafted in to protect key locations.