G7 summit: Boris Johnson praises Joe Biden as ‘breath of fresh air’ after talks – as it happened

Latest updates: prime minister welcomes US president's desire to work with UK on issues such as security and climate crisis

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7.01pm BST

The president and the prime minister set out a global vision in a new Atlantic Charter to deepen cooperation in democracy and human rights, defence and security, science and innovation, and economic prosperity, with renewed joint efforts to tackle the challenges posed by climate change, biodiversity loss, and emerging health threats.

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6.52pm BST

Biden also confirmed that the US is buying 500m doses of the Pfizer vaccine to donate to 100 poorer nations.

JUST IN: Pres. Biden announces the U.S. will "purchase half a billion doses of Pfizer COVID-19 vaccine to donate to nearly 100 nations that are in dire need in the fight against this pandemic." https://t.co/9mMwX4dba6 pic.twitter.com/avNdGegaqw