Andy Burnham begins his first full day as U.K. prime minister on Tuesday, after entering 10 Downing Street on a wave of enthusiasm and a mountain of challenges ahead.

The UK will be getting a new prime minister on July 20. And many challenges await Andy Burnham. He will be faced with a tepid economy, high government borrowing costs, and…

The former mayor of Manchester’s entry into Downing Street will mark the climax of a steep ascent for a politician who until last month wasn’t even an MP. | World News

Andy Burnham will become Britain's prime minister facing significant economic and welfare challenges. He aims to boost the economy and improve living standards for citizens.…