Thames Water says 350 homes in Berkshire should have had their water supplies re-connected by this morning, after two mains burst at Great Shefford near Hungerford.
Residents had to cope with bottled water for most of yesterday, after mains burst on Wantage Road and Ermin Street.
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The RMT Union's comments come as it's announced a new operator will takeover the South West Trains franchise.
Monday's forecast for the west of the region
Monday's forecast for the east of the region