Key facts
- Andy Burnham officially became the UK's Prime Minister on July 20.
- Burnham succeeds Keir Starmer.
- He pledged continued support for Ukraine.
- Burnham aims to end years of political instability.
- Burnham vowed to put forward a 10-year plan for Britain.
Andy Burnham has officially assumed the role of Prime Minister of the United Kingdom, succeeding Keir Starmer on July 20. In his first address outside Downing Street, Burnham pledged continued support for Ukraine and vowed to implement new political and economic models to end years of instability. He announced a 10-year plan for Britain, emphasizing the need for political stability. Starmer departed Downing Street after a two-year tenure, stating he had made Britain a better place. Burnham, 56, is the sixth prime minister in the last decade.