Against a constant backdrop of shelling and air raids, more than 1,200 international students remain trapped in the besieged city of Sumy, eastern Ukraine. Diplomatic efforts to evacuate them and create a safe corridor appear to have stalled.
Many of the students have run out of water, resorting at times to boiling ice, and are running out of food. In their desperation, many are contemplating taking a treacherous journey out of the city to Poltava, 110 miles to the south.
