Ukraine

He did ask his buddy to shoot him right where he shot him, the sign language is clear on that point .

He pointed repeatedly to the spot on his head where he wanted that bullet to go. He was going to die, that explosion got him.

I suppect it took his tesitcals. Both legs were ruined as well, they would cut them off, a triple amputee, that would be hard to face.

All he would have left is his two upper arms.
He would have bled out. No one was coming to help. His squad was moving fast, no time to patch him up.