Burnham set to be next PM with strong support from all wings of the party as 322 Labour MPs back him Good morning. Even the BBC has (almost) given up describing Andy Burnham as the person who is likely, or almost certain, to become the next PM. As of last night, it is now, barring something so unexpected it would be in the act of God category, it is a done deal. Labour published the names of the MPs who have already nominated Burnham, and he has got 322 nominations. There are only 81 Labour MPs