Water regulator Ofwat says it will challenge a request to raise water bills in the capital by 8% next year.
The request by Thames Water could see the average annual bill rise by nearly £30 if it goes ahead.
More top news
Singer knocks Oasis from their 18-year hold on the top spot as her third album sells more than 800,000 copies in its first week of release
Teenage twin brothers were found guilty today of murdering a 'quiet, humble' father who dared to intervene in a robbery in north London.
The women were reportedly both students at City and Islington College campus in Holloway Road.