Trump challenger Joe Biden warns of 2020 US election interference from Russia and China

Panama's former security minister Jose Raul Mulino on Sunday stormed to victory in a presidential poll dominated by his old boss, the popular ex-leader Ricardo Martinelli, who buttressed his campaign despite being holed up in Nicaragua's embassy.

Chinese support for Russia over the war in Ukraine, renewed tensions over Taiwan and a row over Chinese subsidies giving China's companies an unfair advantage over European competitors.

Russian President Vladimir Putin is set to be inaugurated for a fifth term. In other news, there's new information on how Ludwig van Beethoven may have lost his hearing, some 197 years after his death. Finally, this year's Met Gala throws up a variety of sublime and ridiculous outfits.