Rishi Sunak said the “usual ways in which Parliament works were changed” in the Speaker’s handling of Wednesday’s Opposition Day debate and vote.
The prime minister added Speaker Lindsay Hoyle was “reflecting” on what happened. The number of Conservative and SNP MPs signing a motion of no confidence has risen through Thursday.
Mr Sunak said it was important for the running of Parliament not to be “intimidated” by extremists.
SNP’s Flynn says he has no confidence in Speaker after Commons chaos