At a command post in northeastern Kharkiv Oblast, Ukrainian sergeant 'Tovsty' of the Khartiia Brigade painted a stark picture of the emerging tactic.

KHARKIV OBLAST — The longest a Russian soldier can hope to survive for after emerging from the underground pipeline is, according to those hunting them, one single hour. "But…

At a command post in northeastern Kharkiv Oblast, Ukrainian sergeant 'Tovsty' of the Khartiia Brigade painted a stark picture of the emerging tactic.