Biden stumbles in debate as Trump avoids key questions

US Democrats are discussing whether Joe Biden can continue as the party's presidential candidate in the wake of his halting display in a televised election debate with Donald Trump. We speak to Jaime Harrison, chair of the Democratic National Committee.

Also in the programme: Millions of Iranians vote in a presidential election; and a new electric car battery which charges in under five minutes.

(Photo: Composite photo of Democratic Party presidential candidate, US President Joe Biden (R) and Republican presidential candidate, former US President Donald Trump (L) speak during a presidential debate in Atlanta, Georgia, 27 June 2024. Credit: Brian SnyderReuters)