A polling station sign is attached to the window of a launderette in Headington outside Oxford as a dog looks out the door on May 7, 2015 as Britain holds a general election. Polls opened today in Britain's closest general election for decades with voters set to decide between the Conservatives of Prime Minister David Cameron, Ed Miliband's Labour and a host of smaller parties. AFP PHOTO / LEON NEAL AFP PHOTO / LEON NEAL (Photo credit should read LEON NEAL/AFP via Getty Images)
