Georgia’s ruling "Georgian Dream" party has expanded its constitutional lawsuit seeking to ban opposition parties by adding the political force of former Prime Minister Giorgi Gakharia—"Gakharia – For Georgia"—to the filing. The updated document was submitted to the Constitutional Court on September 21.

Russian President Vladimir Putin sent a congratulatory message to Armenian Prime Minister Nikol Pashinyan on the occasion of the republic's Independence Day. The text of the message was published on the Armenian government's website, though it has not yet appeared on the Kremlin's site.

Ramzan Kadyrov secured 99.85% of the vote in the election for the head of Chechnya—a record-breaking figure even by his own standards.

On the morning of September 21, the Russian Ministry of Defense announced that Russian air defense forces had destroyed 244 UAVs overnight. The drones were shot down over 19 Russian regions—including the Rostov and Krasnodar regions and the Republic of Adygea—as well as over the Black Sea.