Ukraine's Air Force reported launches of KAB guided aerial bombs in Sumy Oblast and warned of enemy tactical aviation activity in the north-eastern direction between 8:45 a.m. and 9:15 a.m. UTC on January 11, 2026, noting threats of aviation strikes on frontline areas. The Air Force posted "🚀 KAB launches in Sumy Oblast" and issued an alert stating "⚠ Attention! 🛫 Activity of enemy tactical aviation in the north-eastern direction! 🚀The threat of using aviation means of destruction for the frontline areas!" during this 29-minute period. These developments follow Ukrainian Air Force reports earlier this morning of reconnaissance UAVs operating in Sumy district, as well as ongoing Russian strikes on infrastructure reported by President Volodymyr Zelenskyy and Kyiv Mayor Vitaliy Klitschko.