The last estimate of soldiers lost dates back to April. (File)
Nearly 9,000 Ukrainian soldiers have been killed since Russia's invasion began, Ukraine's commander-in-chief Valerii Zaluzhnyi said on Monday, Interfax-Ukraine news agency reported.
Valerii Zaluzhnyi told a forum that Ukraine's children needed particular attention "because their fathers have gone to the front and are maybe among the nearly 9,000 heroes who have been killed".
Ukrainian officials have only very rarely given any detail on military losses in nearly six months of war.
The last estimate dates back to April when Ukrainian President Volodymyr Zelensky said that up to 3,000 Ukrainian soldiers had been killed and 10,000 injured.
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