Britain's seventh PM in a decade pledged major changes in bid to see off populist forces that are making large gains.

Andy Burnham has officially become the Prime Minister of the United Kingdom, promising to make politics “work better” and restore stability after taking office as the country’s…

The United Kingdom's new prime minister, Labour's Andy Burnham, began shaping his government with a cabinet reshuffle and a series of socially oriented announcements, hours after…

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]

Andy Burnham is set to become Britain's seventh Prime Minister in a decade on Monday. He promises to "rewire" the nation, focusing on public concerns like the cost of living.…