With this summer's torrential downpours still fresh in the memory a new £25m disaster movie, The Flood, charts the devastation of central London. It's a dramatic vision, but could it really happen?
Animations of how the Thames Flood Barrier works and maps of areas affected
Flood crisis grows as rivers rise LINK
The Severn: Severe warnings for Gloucester, Tewkesbury and Worcester
The Thames: Severe warnings affecting Eynsham to Sandford Lock and also Little Wittenham
The Ock: Severe warnings from Charney Bassett to Abingdon
The Great Ouse: Severe warnings from Turvey to Sharnbrook
The Avon: Severe warnings at Evesham
