British Left left-wing party in the UK, by membership, is the Green Party of England and Wales. , membership was 45,643. The party has one Member of Parliament, Caroline Lucas, who was a Co-Leader of the Green Party of England & Wales; and was first elected as the MP for Brighton Pavilion at the 2010 general election. The other two political parties on the left and with representation in parliament are the centre-left Scottish National Party (SNP) and the left-wing Plaid Cymru. The SNP are only active in Scotland and Plaid are only active in Wales. The SNP has 35 MPs and
Candidates in the 2015 United Kingdom general election Singh Bhogal, a Conservative standing in Upper Bann. Unusually, three former MPs competed against each other in a single seat, Northampton North. There, Conservative Michael Ellis, who was elected to the seat in 2010; Labour candidate Sally Keeble, who was a Labour MP for the seat from 1997 to 2010; and Green candidate Tony Clarke, who was a Labour MP for neighbouring Northampton South from 1997 to 2005 before leaving the party, are all competing against each other. It is not unusual for two former MPs to compete in an election (often a rematch), but it is rare for three