Andy Burnham has confirmed he would join a Labour leadership contest if elected as an MP (Image: Getty) Andy Burnham has been sent a warning as he confirmed that he would enter a Labour leadership contest if elected as an MP. The Mayor of Greater Manchester hopes to be elected as the MP for Makerfield on June 18, and said he would put himself forward to lead his party, were Sir Keir Starmer challenged. The CEO of global financial advisory giant deVere Group has warned that Britain risks accelerating an “exodus” of millionaires if the next Prime Minister pursues wealth taxes and exit taxes. Nigel Green said: “Britain is already experiencing a significant wealth exodus. The country is losing more millionaires than China, Russia, or any other major economy. “The idea that policymakers could respond to this by introducing wealth taxes, exit taxes or further punitive measures aimed at successful individuals is deeply concerning. It would risk accelerating a trend that is already gathering pace.” Mr Burnham told Sky News in June 2025: “We’ve overtaxed …