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There were 24 by-elections in the 1987 Parliament. Of these by-elections, eight resulted in a change in winning party compared with the 1987 General Election. The Conservatives lost seven seats of which four went to the Liberal Democrats and three to Labour. Twenty of the byelections were caused by the death of the sitting Member of Parliament, while three were due to resignations.
M12 - By-election results: 1987-92 ( PDF 517 KB)