A burst water main in Worthing has left more than 3000 homes without water.
Southern Water said they have located the cause of the problem but are still working to restore water supply to normal.
More top news
Increasingly cloudy with drizzly rain tonight. A cloudy start on Monday but brightening up with plenty of sunny spells in the afternoon.
The grass pollen risk will rise to high during warm, dry weather.
Cloudy with patchy rain and drizzle this evening. Mild tonight, then dry with plenty of sunny spells tomorrow.