RHONDDA, WALES - APRIL 06: Plaid Cymru leader Leanne Wood campaigns in Ton Pentre on April 6, 2015 in Rhondda, Wales. Britain goes to the polls in a general election on May 7. (Photo by Matthew Horwood/Getty Images)
RHONDDA, WALES - APRIL 06: Plaid Cymru leader Leanne Wood campaigns in Ton Pentre on April 6, 2015 in Rhondda, Wales. Britain goes to the polls in a general election on May 7. (Photo by Matthew Horwood/Getty Images)
