A large fire has broken out at a waste facility close to Wembley Stadium in north-west London, shutting Tube and train lines in the area.
The London Fire Brigade (LFB) said 125 firefighters were tackling the blaze at an industrial estate on Hannah Close in Neasden, with the smoke plumes visible from miles away in central London.
The LFB was alerted just after 11:30 BST and has deployed 20 fire engines to the scene. Residents have been warned to keep their windows and doors shut because of the huge amount of smoke.
Transport for London (TfL) said the entire Metropolitan line has been suspended as a result, while the Jubilee line has been part shut between Willesden Green and Wembley Park.
Rail services to and from London Marylebone are also being delayed or cancelled due to train lines being blocked, National Rail said.