History of the Green Party of England and Wales of Deputy Leader. The Green Party fielded more than 300 candidates for the 2010 general election. Caroline Lucas became the first Green candidate to gain a seat in Westminster, after being elected MP for Brighton Pavilion by a margin of 1,252 votes. The following week 600 new members had joined the Green Party bringing total membership to over 11,000. In previous years 600 new members was high for a whole year. On 24 May 2012, the six Green Party councillors elected to Stroud District Council formed a power sharing administration (a "constructive cooperation") with both the Labour Party and the
Leader of the Labour Party (UK) Leader of the Labour Party (UK) The Leader of the Labour Party is the most senior political figure within the Labour Party in the United Kingdom. Since 12 September 2015, the office has been held by Jeremy Corbyn; who has represented the constituency of Islington North since 1983. Harriet Harman was the Deputy Leader of the Labour Party and also Acting Leader since the resignation of Ed Miliband on 8 May 2015 following Labour's defeat at the 2015 general election. On 12 September 2015, she was replaced by Jeremy Corbyn, who won the Labour leadership election. Tom Watson is now