For the first time in its history, the pro-independence Welsh party Plaid Cymru could top the Welsh Parliament in Thursday's election. The surge reflects not just disillusionment with rivals but a deeper frustration at years of being sidelined by London.

For the first time in its history, the pro-independence Welsh party Plaid Cymru could top the Welsh Parliament in Thursday's election. The surge reflects not just disillusionment…

Labour loses power in Wales for the first time since 1999, with Plaid Cymru emerging as the leading party in elections.