SDLP councillor Shauna Cusack has confirmed that 300 homes in the Northland Road area of Derry are currently without water.
Cllr Cusack said that she had been liaising with NI Water and that they have located the source of the issue and are currently working on it.
She said that staff are dealing with a 'big issue' and it may take until 10pm tonight to fix.
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