Former chief of staff of the Ukrainian Army’s elite Azov Brigade, Lieutenant Colonel Bogdan Krotevich, issued a chilling warning to President Volodymyr Zelensky. In a letter to Zelensky, Krotevich claimed that Ukrainian forces in Donbas are facing an increasingly catastrophic situation. He said that Russian forces are poised to achieve two major encirclements of the cities of Pokrovsk and Konstantinovka. Watch this video to know more.