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Six Ukrainian National Guard personnel are killed in a Russian missile strike on a training camp in Sumy
Russian invasion of Ukraine — Six Ukrainian National Guard personnel are killed in a Russian missile strike on a training camp in Sumy Oblast, Ukraine. [https://www.bbc.co.uk/news/articles/cvg770d0gpko (BBC New

Context: Russian invasion of Ukraine.
Six Ukrainian National Guard personnel are killed in a Russian missile strike on a training camp in Sumy Oblast, Ukraine. [https://www.bbc.co.uk/news/articles/cvg770d0gpko (BBC News)]
Event summary via Wikipedia Current Events (2025-05-21).