Labour victory in Oldham East by-election
Labour has won the Oldham East and Saddleworth by-election with a majority of more than 3,500.
Debbie Abrahams won 14,718 votes in the marginal seat, 3,558 more than closest rival, Lib Dem Elwyn Watkins.
In May's election, Labour beat the Lib Dems to the seat by just 103 votes.
The Conservatives' vote fell by more than 7,000 as they came third, with Kashif Ali securing just 4,481 votes.
Labour said the result was a "wake-up call" for the coalition government.
Nick Clegg said he was pleased with his party's performance but the Tories said their own result was "not great".
In her acceptance speech, Abrahams said: "The voters have spoken for the country. They have sent a clear message for those watching in Downing Street.
"Mr Cameron, Mr Clegg, you may be watching, but now you have to listen."
The by-election was called after a special court found Labour MP Phil Woolas had made knowingly false statements about his Lib Dem opponent in the general election and stripped him of his seat.
Official turnout was considerably less than in the general election, with 48 per cent of registered voters casting their ballots compared with 61 per cent in May.
Elsewhere today deputy prime minister Nick Clegg delivers a speech at the core cities conference.
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