Waves of Russian troops 'crushed' in fresh assault on strategic eastern town of Chaziv

The transcript describes a town serving as a strategic gateway, facing a tense atmosphere due to Russian military advances. The mayor reports that 40% of the civilian population remains, with efforts to evacuate more. The town has been without electricity for six days, affecting heating and water supply. Medical facilities are makeshift, with increased heart attacks and strokes linked to shelling and fear. Overall, the situation is bleak and not hopeful.

Describe the atmosphere in the town as reported in the text.

What medical issues are being reported in the town, and what are their possible causes?