The threat of encirclement looms for Ukrainian troops. Several things told Arif Bahirov it was time to leave Severodonetsk: the bodies on the streets, left because local officials could no longer remove them; the fires that were no longer being extinguished; the missile that landed in the apartment downstairs, shaking him to the core.The Russia advances in eastern Ukraine threatens to capture Severodonetsk. Is it time for Ukraine to surrender ?

