Andy Burnham says he would seek to enter a leadership contest

Speaking on BBC Question Time, Greater Manchester Mayor Andy Burnham says he would join any challenge for the Labour leadership. He would need to win the Makerfield by-election later this month in order to launch an official leadership bid. The Conservative leader Kemi Badenoch has told the BBC that conflict over identity politics could eventually lead to a civil war in the UK. We look at whether identity politics has contributed to a fracturing of British society. Also in the programme: Are elected Republicans becoming more comfortable challenging President Trump's decisions? And how did the altar stone of Stonehenge make it from Scotland to Salisbury? Researchers think they finally have the answer.