Labour MPs to voice concerns over party's Brexit 'ambiguity'

Remainers unhappy that pro-leave rebels escaped censure after voting with governmentLabour MPs frustrated at the leadership’s “constructive ambiguity” over Brexit are expected to air their concerns at what is likely to be a fractious parliamentary meeting on Monday, amid renewed talk that some could quit to form a new centre party.Several pro-remain backbenchers said they were concerned pro-Brexit rebels had not been properly disciplined for voting with the government last week