Donald Trump's return to the White House is seen as a potential threat to European security. Some believe he could abandon the transatlantic military alliance Nato - but the organisation's new secretary general Mark Rutte seems convinced he will be persuaded to stay.

On this episode of The Global Story, Katya Adler speaks with the BBC's defence correspondent Jonathan Beale about what impact losing the alliance’s biggest financial backer would have on the war in Ukraine - and the reasons why the incoming US President might be convinced to remain in Nato.

Producers: Alice Aylett Roberts, Laurie Kalus and Eleanor Sly

Sound engineer: Philip Bull

Assistant editor: Sergi Forcada Freixas

Senior news editor: Sara Wadeson