LKS 20150504 REB6038; British Prime Minister David Cameron (C) speaks to supporters at Hayesfield Girls School on May 4, 2015 in Bath, south-west England, while on the UK general election campaign trail. The Conservatives and Labour launched their final push on Monday to woo voters ahead of this week's British general election, as potential kingmaker parties marked out their territory. LEHTIKUVA / AFP PHOTO / POOL / DAN KITWOOD