Scottish Labour Party (1976) MP for South Ayrshire, John Robertson, then MP for Paisley and Alex Neil, the UK Labour Party's senior Scottish researcher. The split came just before the resignation of Harold Wilson as prime minister and party leader and the election of James Callaghan as his successor. By 1979 the Scottish Labour Party had lost its seats in the House of Commons, and in 1981 it was formally disbanded. Almost immediately the SLP became the focus for entryism from the International Marxist Group (IMG), and at the party's first congress in October 1976 the IMG was expelled, along with a number of
Leader of the Labour Party (UK) The 2015 leadership election used a "one member, one vote" system, in which the votes of party members and members of affiliated organisations are counted equally. MPs and MEPs votes are not counted separately, although a candidate needs to receive the support of 10% of Labour MPs in order to appear on the ballot. When the Labour Party is in Opposition, as it currently is, the Leader of the Labour Party usually acts as the Leader of the Opposition, and chairs the Shadow Cabinet. Concordantly, when the Party is in Government, the Leader would usually become the Prime Minister of