Russia's election commission has rejected anti-war challenger Boris Nadezhdin as a candidate in next month's presidential vote. Mr Nadezhdin has been relatively critical of Vladimir Putin's full-scale war in Ukraine when few dissenting voices have been tolerated in Russia.

Also in the programme: In Pakistan, opposition parties have condemned the authorities for suspending mobile phone and internet services, as millions vote in general and provincial elections; and what an award-winning photograph of a polar bear tells us about climate change.

(Photo: Boris Nadezhdin has vowed to challenge the election commission's rejection in Russia's Supreme Court. Credit: Maxim Shipenkov/EPA-EFE/REX/Shutterstock)