Drones from the Russia-Ukraine conflict are straying into neighboring countries, creating security concerns and diplomatic challenges.
Romania may invoke NATO's Article 4 after a drone incident, signaling potential alliance consultations on security threats.
Kostiantynivka, a city on Ukraine's front lines, is largely destroyed, with rescuers risking their lives for the few remaining residents.
A key figure is pushing for Ukraine to adopt autonomous drones that can independently decide to use lethal force.