Overnight, Ukrainian forces successfully struck Russia's Karachevsky Electronics Plant in Bryansk, according to Osinttechnical via X. The plant, which produces key electrical connectors for over 1,500 Russian defense industry manufacturers, was reportedly heavily ablaze following the attack. This strike occurred during a period where airports in Kaluga and Tambov experienced temporary restrictions on aircraft operations between 10:37 PM and 11:06 PM UTC on September 28th, 2025, as reported by the Federal Air Transport Agency. These restrictions coincided with the fire at the Karachevsky Plant, which Dnipro Osint stated was caused by an "arrival." The Karachevsky Plant is known to develop and produce radio-electronic equipment and is part of the concern "Radioelectronic technologies." The fire reportedly began in the factory shops. This incident follows a rocket danger alert that was issued for the Bryansk region, including the Karachevsky district, on September 28th, 2025, at approximately 9:09 PM UTC, an alert that was confirmed in Bryansk itself, though details of the threat were not disclosed by authorities prior to the fire report.