Germany summoned China's ambassador regarding reports of Chinese training for Russian soldiers. Germany views any enablement of Russia's war as a threat to its security. Russia claimed full control of Kostiantynivka in eastern Ukraine, a significant objective in the Donetsk region. Independent verification of this claim is currently unavailable. A Russian glide bomb attack on Sumy killed at least four people, including a child, and injured 27. Other attacks in Ukraine resulted in a total of six fatalities. Ukrainian President Zelenskyy urged allies to increase pressure on Russia to stop the violence. Poland's Prime Minister Tusk stated Ukraine seeks to de-escalate tensions with Warsaw and must address historical issues for EU accession. Lithuania's president expressed a desire for the country to join Western nuclear deterrence against Russia by lifting its ban on atomic weapons deployment. The World Athletics Council upheld its decision to exclude Russian and Belarusian athletes from international competitions due to the ongoing invasion of Ukraine.