Volodymyr Zelenskiy calls for air defence boost during Antony Blinken visit to Ukraine – video
Ukraine's second largest city Kharkiv has become the focus of Russian attacks in recent weeks
![](https://kbin.burggit.moe/media/cache/resolve/entry_thumb/ed/c4/edc4c2b210b0abf51d8fd484c7f2eb52339378b3a2cbad32f3946d55b3aee034.jpg)
Ukraine's second largest city Kharkiv has become the focus of Russian attacks in recent weeks