Andy Burnham has become the sixth UK prime minister in a decade after a transfer of power from his predecessor Keir Starmer. In his first address outside Downing Street, he said his arrival in power would be a ‘circuit breaker’ moment for Britain and that his government would bring the ‘biggest changes in 40 years’. Lucy Hough speaks to political correspondent Alexandra Topping – watch on YouTube. Help support our independent journalism at <a href="https://www.theguardian.com/infocus">theguardian.com/infocus</a>