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2 seats to the Legislative Assembly of Singapore | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Registered | 29,563 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Turnout | 12,874 (43.55%)  11.16% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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A by-election was held on 29 June 1957, with nomination day occurring on 18 May 1957 in the Cairnhill, and Tanjong Pagar constituency. When talks with the British authorities for self-governance broke down, Chief Minister David Marshall decided to resign from the Labour Front on 7 June 1956. Marshall had also challenged opposition leader Lee Kuan Yew from the People's Action Party to resign and recontest his Tanjong Pagar constituency as well, which he did.
The Labour Front's replacement candidate Keng Bang Ee lost the seat to the new Liberal Socialist Party, while Lee retained his seat in Tanjong Pagar.
The by-election had a voter turnout of merely 43.55%, the lowest of any elections during the period between 1948 and 1959. With the introduction of compulsory voting in 1959, the turnout of 43.55% remains the lowest for any elections in Singapore's history.