Russia 'seeks full control' of southern Ukraine

President Zelensky says Russian gains in eastern Ukraine are only temporary but a Russian general has said the offensive in Ukraine is aimed at conquering the whole of the south as well as the eastern region of Donbas. Our correspondents and experts will be explaining today’s developments on the ground. We’ll also hear the background story of some of the people who have just been evacuated from the besieged city of Mariupol.

We’ll hear about the the campaign to “cancel Russia” over the war in Ukraine.

The world’s most powerful particle accelerator has been re-started. We’ll answer listeners’ questions about the upgraded Hadron Collider and explain what the scientists hope it will discover.

It’s the final day of campaigning in the French presidential election ahead of Sunday’s vote. We’ll hear from some of the voters who will have to choose between the incumbent Emmanuel Macron and his far-right challengers Marine Le Pen.

(Photo: Troops formed a convoy in Mariupol flying the flags of Russia and the self-proclaimed People's Republic of Luhansk. Credit: Reuters)