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
2015 Scottish Labour Party leadership election 2015 Scottish Labour Party leadership election The 2015 Scottish Labour Party leadership election was formally triggered on 16 May 2015 by the resignation of Jim Murphy as Leader of the Scottish Labour Party, which took effect on 13 June 2015, following the party's defeat at the 2015 general election. A new leader and deputy leader would be chosen following the resignations of Jim Murphy and Kezia Dugdale. In the meantime, former Scottish Labour leader Iain Gray took over as acting leader. On 15 August, Dugdale was elected to lead the party, while Alex Rowley was chosen to become her deputy.