Adam Price has won the Plaid Cymru leadership contest, with nearly 50 per cent of the vote.
The AM for Carmarthen East and Dinefwr defeated Rhun ap Iorwerth and former leader Leanne Wood.
In his victory address, Mr Price said Plaid would form the next Welsh Government in 2021.
“This election shows we are ready to lead again,” he said. “Our time has come.” He takes charge of a group of ten AMs in the assembly.
In the first round of voting Mr Price received 2,863 votes, Mr Ap Iorwerth 1,613 and Ms Wood 1,286, who was knocked out.
On second preferences, Mr Price gained 618 more votes and Mr ap Iorwerth 348.
In the final totals, Mr Price beat Mr ap Iorwerth by 3,481 votes to 1,961.