The Conservatives and Labour were involved in a row last night over plans to introduce tough sanctions to combat sexual harassment and bullying in parliament.
In a sign that the fragile cross-party consensus on how to tackle the issue could yet collapse, sources close to Andrea Leadsom, the Commons leader, blamed Labour for a delay in the plans.
The tension came as Theresa May denied she knew of allegations of inappropriate behaviour against Damian Green, her former deputy, last year.
A report on measures to combat harassment was expected to be ready by last Thursday, when Mrs Leadsom updated MPs on progress. However, the Conservatives claimed the report had in effect been vetoed by Valerie Vaz, Labour’s shadow Commons leader.