British Prime Minister Keir Starmer will stand if a leadership contest is triggered, a senior minister said on Sunday, after media reported Starmer had contacted key backers insisting he would run in any race. This came after popular Mayor of Manchester Andy Burnham, who is standing in a key by-election this month, said last week he would participate in any leadership race, although none has yet been triggered. Starmer “has been absolutely clear – were there to be a contest – you need 81...