Some 33 MPs have already signed a Commons motion voicing no-confidence in Speaker Lindsay Hoyle following extraordinary scenes in the chamber overnight.
The Chorley MP is usually an avuncular figure in the chair as he oversees proceedings in the Commons - unless you break the rules, when the gentle smile turns quickly to fury.
The Prime Minister said scenes of uproar in the Commons last night were very concerning as more than 50 MPs called for the Speaker to quit in the wake of the controversy,