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Back in March we ran a story about staff in the House of Commons and the way they were being treated.

There were complaints of bullying and harassment so serious that some people had gone sick or left.

We found non-disclosure agreements being used to hide the problem.

People who complained got moved. Lives and careers were ruined. And the Speaker of the House of Commons himself, John Bercow, was caught up in the storm. He denies bullying two of his private secretaries.

That work, by our policy editor Chris Cook and producer Lucinda Day, has already provoked changes to the way that staff complaints are handled.

An official inquiry was also launched, led by Dame Laura Cox, a former judge. That reported today - and she slammed the culture of the House, the lack of protection for staff, and questioned whether the House's current leadership could be trusted to fix the problem.