Russian Tanker in Mediterranean Poses Ecological Threat
Drones struck Arctic Metagaz on March 3, causing hull damage and 30-person crew evacuation.
Tanker moved into Libyan waters, Malta enforces 7-km exclusion zone.
Five southern European nations request EU to activate civil protection mechanisms for safety and sanctions.
Moscow blames Ukrainian drones from Libya, EU calls it part of Shadow Fleet to bypass sanctions.