EMERGENCY repair work is being carried out at a burst water main near Clyro.
Welsh Water said it has affected drinking water supplies to customers in the area.
The company has a team on site repairing the damaged main and anticipates that water supplies should begin returning to normal later this afternoon.
On its website, Welsh Water said: "When the water supply is restored some customers may notice some discolouration of tap water, this is normal in this situation and the water should clear when run from a cold tap."
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