Mhairi Black, the SNP’s deputy Westminster leader, has announced she will be stepping down as an MP at the next election.

The 28-year-old told the News Agents podcast she was ‘tired’, and she considered the Houses of Parliament ‘one of the most unhealthy workplaces you could ever be in’.

The 28-year-old, seen as a young rising star in the party, called Westminster ‘one of the most unhealthy workplaces’.