The Conservatives have taken a seat from Labour in the city council's latest by-election.
Mohamed Delowar Hossain has been elected for the King's Hedges ward for Cambridge City Council. The election was prompted by the resignation of Alex Collis following May's local elections.
The Labour Party retains overall control, but this is the first time the Tories have sat on the council in over a decade.
It is believed Ms Collis resigned due to her staunch opposition to the proposed congestion charge for Cambridge.
Mr Hossain returned 622 votes and Labour's Zarina Anwar got 598.
However, he is also strongly opposed to the congestion charge proposals, and said people he met on the campaign trail had voiced concerns about the cost.
Proposals for a sustainable travel zone (STZ) came from the Greater Cambridge Partnership, a body that comprises three local councils, businesses and the University of Cambridge.
The partnership is proposing weekday charges ranging from £5 to £50.
The by-election turnout was 26.7%.
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