Russia issues ultimatum to last defenders of Mariupol

Russia has told the remaining forces defending the besieged port city of Mariupol to surrender within hours and be treated within the bounds of international law.

Search and recovery operations are continuing in South Africa's flooded KwaZulu-Natal province.

Also in the programme: Why Finland has been named the happiest country in the world for the fifth time.

Joining Celia Hatton are Liana Fix, programme director for international affairs at the Körber-Stiftung think tank in Berlin and Matthew Green, global investigations editor at DeSmog, a non-profit news website focused on exposing "climate misconduct by companies and governments.

(Picture: Ukrainian tanks move into the city, after Russian President Vladimir Putin authorized a military operation in eastern Ukraine, in Mariupol, February 24, 2022. Credit: REUTERS/Carlos Barria)