Ukraine's Defense Ministry has published its daily report on the conflict. Here are the key points:
Russian forces have lost 88 planes and helicopters since the war began.
Several Russian pilots have been arrested.
Ukrainian troops continue to patrol the port-northeast of Mariupol.
"Large quantities" of Russian equipment were seized in the Mykolaiv region in the south, near Odesa.
The Russian military is "disheartened" by the Ukrainian opposition.
The BBC has not been able to confirm the allegations made by the Ukrainian military. Russia has given a brief account of the loss of its troops in Ukraine, but military experts say it has been shocked by Ukraine's strong opposition and has been challenged to find ways to distribute goods and troops.
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