John Bercow was not deemed the right person to oversee a reform of the bullying culture in parliament. He denies all wrongdoing

John Bercow faces an investigation over claims that he bullied Commons staff, after the government threw its weight behind calls for historical complaints against MPs to be investigated.

A week after an independent report laid bare parliament’s bullying culture, both Labour and the Conservatives have indicated that they will support its key recommendations.

At a meeting of the House of Commons commission today Andrea Leadsom, leader of the Commons, is expected to call for past complaints against MPs to be incorporated into an independent grievance scheme set up by MPs this year. Labour said that the scheme should be “open to historical complaints . . . as quickly as possible”.

As a result allegations against Mr Bercow and other MPs could be investigated by Kathryn