The UK's foreign secretary was not the only one to go in for a face-to-face confrontation with Sergei Lavrov at a G20 meeting on Wednesday.
The body of Vladimir Putin's longtime foe is being hidden, his mother alleged.
The invasion of Ukraine has left Russia pretty isolated on the world stage – not that the Russian president seems ready to acknowledge that.
The move comes ahead of the second anniversary of Russia's invasion.
But still no direct mention of Alexei Navalny's death.
More than 400 people were detained across the country at the weekend while trying to honour the politician's memory.
Cheney also warned of a pro-Russia faction growing within the Republican Party.
Congress will be out of town next week, but US lawmakers swear they have not forgotten Ukraine as the second anniversary of Russia’s full-scale invasion nears.