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.
More top news
Monday afternoon's weather for the east of the region
Monday afternoon's weather for the west of the region
Monday's weather for the east of the region