World faces decisive decade - Biden

In his first address to the United Nations, US President Joe Biden has pledged cooperation with allies through "a decisive decade for our world".

His reassurances come amid tensions with allies over the US' Afghanistan withdrawal and a major diplomatic row with France over a submarine deal.

Mr Biden campaigned on the theme "America is back" and he reaffirmed the message in New York City on Tuesday.

"I believe we must work together like never before," said the president.

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