This is a war crime, an attack on civilians. With the insidious plan of hitting people who came to help.
Russia is a terrorist state, that must be stopped.
EDIT:
I am downvoted on this comment, maybe by someone who doesn't know that double tap is in fact a strategy Russia is using, exactly to hit civilians coming to aid possibly wounded in the first hit.
Hardly unique to the Russians. The "Collateral Murder" video of US war crimes in Iraq was from a helicopter employing a double-tap strategy on a group of civilians fleeing the area.
Also popular in Gaza and Lebanon, as employed by the Israelis. And in the Philippines, by the government against insurgents. And in India during the invasion of Kashmir. And by the Syrian and Turks in their war on ISIS. And, and, and...
Russia is a terrorist state, that must be stopped.
War is the act of committing crimes unimpeded. All states engaged in war are in the act of committing terrorism. When you hear people talk about "necessary evil", this is the evil their necessitating.
Double taps are bad no matter who does it.
And with regard to the war in Ukraine, I have not seen evidence that Ukraine target civilians and definitely not do double taps on civilians.
America is on the cusp of pulling out of the ICJ entirely
Maybe, but Putin is already a wanted man for his war crimes, so the leader of Russia cannot travel freely to international meetings.