Read: How worried should we be about the Zaporizhzhia nuclear plant fire?

2. Russians should not assassinate Putin, says Boris Johnson

Boris Johnson does not want Russians to assassinate Vladimir Putin, his spokesman has said, despite a US senator inviting a ‘Brutus’ to deal with the Russian president. 

Lindsey Graham, a Republican senator, last night publicly called for that move, telling Fox News: “How does this end? Somebody in Russia has to step up to the plate… and take this guy out.”

Today, the Prime Minister’s spokesman said Mr Johnson did not agree with that idea. 

Meanwhile, the BBC announced it will “temporarily suspend” the work of all its journalists and support staff in Russia after authorities passed legislation cracking down on independent reporting.

Follow: The latest developments on our liveblog

3. Mariupol without ‘food, water or electricity’

The mayor of Mariupol has said his city is without food, water and electricity, adding that food is running out as Russian forces continue their relentless attack on the Black Sea port.

Mayor Vadym Boychenko made a televised appeal for military help and said a humanitarian corridor should be created to evacuate civilians from the southeastern port city.

“We are simply being destroyed,” he said.