Manchester mayor Andy Burnham is thought to be more popular than most other potential Labour leadership contenders. But without a seat in Parliament, he has a complicated road ahead if he were to challenge. From Westminster to Manchester and back again? Rob Powell looks at the career of the so-called "king of the north". Read the latest: https://news.sky.com/story/starmer-latest-burnham-streeting-rayner-leadership-quit-cabinet-resign-kings-speech-local-elections-12593360 #skynews #uknews #