M1 lanes reopened after crash but knock on delays expected / M1 traffic LIVE: Chaos on busy UK motorway as police incident shuts road / M1 traffic LIVE: Chaos on major UK motorway with 5-mile queues after horror crash / Drivers face delays on M1 due to lorry fire / Hunt for boy, 12, after caravan drive on M1 / Delays on M1 after lorry fire / Man, 53, charged over M1 crash / Long delays on M1 following crash / M1 reopened in both directions after incident / M1 traffic LIVE: Chaos on major UK motorway after horror vehicle fire