Who is Mike Johnson, the new Republican House speaker?

Louisiana congressman is solid part of party's right wing and played role assisting Trump's efforts to overturn 2020 election

• House speaker race - live updates

The rightwing Louisiana congressman Mike Johnson won a floor vote to be speaker of the House on Wednesday, elevating him to a top position in US politics and capping an unlikely and sudden rise to power.

Johnson was elected to Congress in 2016 and has kept a relatively low profile since then, though he is socially conservative and a solid part of the Trumpist right wing of the party.