SNP MPs walked out of the Commons in a row with the Speaker

The SNP's MPs walked out of Prime Minister's Questions in the House of Commons after the party's Westminster leader Ian Blackford was asked to leave during a dispute with the Speaker John Bercow.

Mr Blackford had wanted to have a vote on whether the Commons could sit in private. It came as he accused Westminster of a "power grab" during the Brexit bill debate on Tuesday.

Prime Minister's Questions: The verdict