Ukraine
Russia's 900,000 casualties in Ukraine have certainly not helped this expanding worry.
The US president said he would impose tough economic sanctions on Russia unless a deal is reached soon.
Around a third of them are thought to have been killed in action.
Nigel Farage said a ceasefire should not turn the Russian president "into a winner".
"Now is not the time for lifting of sanctions," Keir Starmer said.
The Russian president even said Moscow has more friends than enemies.
The prime minister will say the Russian president "needs to show he's willing to play ball" to bring the conflict to an end.
The US president said that's the kind of thing he's "done over the years" in real estate.
The MoD claimed Putin will now be "forced" to improve Russia's "defensive posture".
The Ukrainian president said Russia is influencing the White House "through information."