On the sixth day of fighting in Ukraine since Russia invaded, airstrikes on a government building and a residential block in Kharkiv kill at least 18 people; residents and soldiers in Kyiv prepare for another assault as a 65km long Russian military convoy draws nearer; a strike on a television tower kills at least five people and interrupts broadcasting; people continue to flee into neighbouring countries, with the UN counting nearly 680,000 refugees, around half of them into Poland.
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Russian invasion of Ukraine: images of the last 24 hours (28 February-1 March) | AFP
