The doctor leaned over a small boy lying on a bed in a children's hospital in the northern Ukrainian city of Kharkiv and asked: "Little Vova, how are you?"
"I am fine," came the barely audible reply. "Fine," the doctor repeated loudly, satisfied by what he heard.
Medics said Vova was hit in the head by a bullet during fighting in the first few days of Russia's invasion of Ukraine, one of several children brought into the hospital to be treated for shrapnel and bullet wounds.