Tony Blair will today face the Parliamentary Labour Party in what promises to be a stormy post-election meeting.

Last night the left-wing Campaign Group issued a statement demanding that the meeting, which will be held before MPs re-elect Michael Martin as speaker, be conducted properly so that MPs critical of New Labour were not "shouted down, booed, barracked or intimidated".

John McDonnell, chairman of the group, said that MPs would be telling the prime minister some unpalatable truths.

He added that if MPs were "threatened, barracked or personally abused" they would be forced to leave the meeting.

An additional source of aggravation has been the appointment of Andrew Adonis as education minister in the House of Lords.

Many backbenchers say this showed Blair remains wedded to "government by clique".

But George Foulkes, a former Labour minister loyal to Blair, said he was "furious" that the prime minister was being criticised.

"It is totally hypocritical to use him as a vehicle to get elected on the coat tails of the most successful leader the Labour Party has ever had and then round on him viciously like this," he said.