Romania scrambled fighter jets overnight on 2 November in response to a massive Russian drone attack on Ukrainian ports along the Danube.
Romania's Ministry of National Defence reported this on X.
"On the night of November 1 to 2, the Ukrainian ports on the Danube were the target of massive drone attacks," the statement said.
F-16 fighter jets were scrambled from their bases at Fetești and Câmpia Turzii, alongside an IAR 330 Puma SOCAT helicopter.
"The National Military Command Center (core) notified the General Inspectorate for Emergency Situations regarding the establishment of measures to alert the population in the northern part of Tulcea County, and at 04:11," the ministry said.
No incursions by UAVs into Romanian airspace were reported. The air raid alert ended at 05:26.