Boxer Usyk joins Territorial Defense Forces.

The tightening of eligibility for so-called "temporary protection" is a rising trend across Europe, with Denmark having made the same adjustment the day before, and countries such as Czechia drafting laws on what Ukrainians under temporary protection can do.

The number includes 1,310 casualties that Russian forces suffered over the past day.

Ukraine's military launched a drone attack on Russia's Tula Oblast overnight on June 26, reportedly striking a chemical plant as well as energy infrastructure in the region, Russian Telegram media channels reported.

President Volodymyr Zelensky once again warned of Minsk's "potential expansion of aggression" against Ukraine on June 25, reporting that the construction of various military infrastructure along the Belarus-Ukraine border is "nearing completion."

Ukraine's military reportedly launched dozens of drones towards Moscow overnight on June 26, Moscow Mayor Sergey Sobyanin claimed, as Kyiv continues to intensify its attacks against the Russian capital.

Skelia commander Yurii Harkavyi was suspended amid an investigation into alleged abuse and noncombat deaths in one of Ukraine’s largest assault regiments.

At least two people have been injured, Kyiv Mayor Vitali Klitschko reported. Explosions have also been heard in Kremenchuk, Poltava Oblast, as a result of the attack.

The Lukoil-Nizhegorodorgsintez refinery in Kstovo, Nizhny Novgorod Oblast, is Russia's fourth-largest oil refinery and second-largest producer of gasoline. The facility went offline on June 24 after a drone strike, two industry sources told Reuters.

The president said he gave his approval for the SBU to launch "a 40-day influence operation ... against the aggressor state aimed at compelling it to end the war."

Colonel Dmytro Koziura was convicted of treason for passing confidential information to Russia's Federal Security Service (FSB), including details about critical infrastructure and the consequences of Russian missile strikes on Kyiv.