LATEST: Dozens rescued from cars in flash floods after heavy rain

Latest: A major clear-up operation is under way in the north-west of Ireland and the North after heavy rain left a trail of destruction.

Update 2pm: A major clear-up operation is under way in the north-west of Ireland and the North after heavy rain left a trail of destruction.

Bridges collapsed, roads gave way and cars were washed away in overflowing rivers during a night when 63% of August's average rainfall fell within nine hours.