The Environment Agency is warning people to protect their families, pets and property after issuing a flood alert for the Darent Catchment in Kent.
Flooding is possible for the The River Darent from Westerham to Dartford, including Brasted, Sundridge,Chipstead, Dunton Green, Otford, Eynsford and South Darenth overnight and into the morning. Low lying land and roads will be affected first.
River levels are rising along the River Darent after heavy rain this evening. They are expected to peak overnight tonight.
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Tuesday's weather for the west of the region
Tuesday's weather for the east of the region
A further 85 buses are expected to arrive on Tuesday and Wednesday, with officials saying the entire operation will last at least a week.