Witney (UK Parliament constituency) of St Helens South instead, following the practice of Alan Howarth in 1997. At the 2001 general election, David Cameron was elected as MP for Witney. Cameron was re-elected to a fourth term as MP for the constituency at the 2015 general election with a majority of 25,155, the highest in his political career; on that occasion his Conservative Party won a surprise overall majority in the House of Commons, taking 330 seats to the opposition Labour Party's 232. However, on 24 June 2016, Cameron announced that he would resign as Prime Minister by that October due to the outcome
Oxfordshire (UK Parliament constituency) the historic county of Oxfordshire, in the northern part of South East England. (Although Oxfordshire contained three parliamentary boroughs for part of this period – Oxford (from 1295), Woodstock (or New Woodstock) (1302–1555 and from 1571) and Banbury (from 1554) – each of which elected MPs in their own right, these were not excluded from the county constituency, and owning property within the borough could confer a vote at the county election. The Oxford University constituency was also often listed as an Oxfordshire constituency, but was non-territorial and had no effect on the right to vote in the county.) There