Thousands of homes may be without water this morning after a burst main affected the supply in Reading.
The pipe was damaged on the A33 close to the Fobney water treatment works.
Thames Water has so far had 200 calls from residents who have no water supply.
A spokesman said work was underway to reconnect homes.
He added that bottled water may be distributed if things do not improve soon.
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Thursday's forecast for the east of the region
Thursday's forecast for the west of the region
Thursday morning's weather for the west of the region