Strike on children’s hospital ‘ultimate evidence that genocide is happening’ – as it happened

Ukrainian president calls bombing in Mariupol beyond atrocity' and urges world to stand united in condemning Russia for this crime'

• Russia-Ukraine war: what we know on day 15 of the Russian invasion
• Children under rubble after Russian airstrike on hospital, says Zelenskiy
• Britain and US fear Russia may be setting stage to use chemical weapons
• Putin will lead Russia to strategic defeat in Ukraine, says Blinken
• Chernobyl power supply cut but IAEA says no imminent safety threat

The New York Times will have no reporters on the ground in Russia for the first time in a century after the news organisation joined those pulling out of the country.

Russian authorities made reporting from the country impossible when it recently criminalised the act of describing Russia's invasion of Ukraine as a war" with those who commit the offence facing up to 15 years in prison.

As a result Russian media outlets have been forced to close, while global news organisations have pulled out their teams owing to the risk of arrest.