Theresa May has ruled out a David Cameron-style return to politics once she steps down at the next election.The former prime minister was also asked to evaluate her successors' time in office while speaking at a Chatham House event.

Theresa May has ruled out a David Cameron-style return to politics once she steps down at the next election.The former prime minister was also asked to evaluate her successors' time in office while speaking at a Chatham House event.