Several Russian airports temporarily suspended operations overnight due to reported unidentified aerial activity. Affected airports include those in Moscow, St. Petersburg, and Rostov-on-Don, disrupting both domestic and international flights. Authorities have not confirmed the cause of the disruptions, but reports suggest potential drone activity. Flight restrictions were implemented as a precautionary measure to ensure passenger safety and investigate the situation. The Federal Air Transport Agency stated the closures were temporary, with operations resuming at some locations as of Monday morning. The incident raises concerns about airspace security within Russia and potential vulnerabilities. Investigations are ongoing to determine the nature and origin of the aerial activity.