With rivers bursting their banks and groundwater brimming at the surface, the additional rainwater will put additional pressure on the underground sewers which are already full.
The firm, which operates more than 67,000 miles of sewers, has been struggling in some areas to cope with the additional water filling up its pipes.
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The Thames Valley Police officer was given a guard of honour by his colleagues at a church in Pangbourne.
The Prime Minister welcomed President Emmanuel Macron to the military academy on the Surrey, Hampshire and Berkshire border.
Thursday evening's forecast for the west of the region