Andrew Smith has held Oxford East for Labour.
Hundreds of supporters shouted and waved as the final count was read out by Lord Mayor Mary Clarkson revealing Mr Smith had increased his majority since 2005, winning 21, 938 votes.
Addressing a packed Town Hall a triumphant Mr Smith said: "Thank you to the people of East Oxford for this resounding vote of confidence this evening.
"This is a remarkable result here in Oxford East."
Liberal Democrat candidate Steve Goddard had hoped to take the seat from former Cabinet minister Mr Smith after 23 years.
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