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…

Andy Burnham, who is set to become Britain’s prime minister Monday, will face a roster of challenges when he steps into the office as the UK’s seventh

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.…

The United Kingdom's new Prime Minister Andy Burnham delivers a speech outside 10 Downing Street in London after taking office on Monday. [Isabel Infantes / REUTERS]