Ukrainian soldiers retreated after an assault in Russia's Kursk Oblast that lasted eight hours and resulted in the death of 21 North Koreans.
Ukraine's military said 21 troops were killed and 40 injured in the operation in the Russian region where it is staging an incursion.
Ukrainian forces described a different kind of enemy, fighting with unfamiliar tactics and little option to retreat.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback