US intelligence says China may use Tik Tok to interfere in the presidential election. Now Washington is debating a bill that would force the app’s Chinese owners to sell up, even as politicians like Joe Biden use Tik Tok as a campaign tool.

So, how might Beijing use social media to undermine American democracy? And would selling or even banning Tik Tok do anything to stop it? Lyse Doucet speaks to BBC North America correspondent John Sudworth and Wired senior political writer Makena Kelly.

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This episode was made by Peter Goffin, Beth Timmins and Emilia Jansson. The technical producers were Hannah Montgomery and Matt Hewitt. The assistant editor is Sergi Forcada Freixas and the senior news editor is Jonathan Aspinwall.