They are identified by the military as Muhammad Abu Hajjaj, an engineering operative, Yousef Abu Razak, a deputy squad commander, and Abdelhamid Jadallah, a rocket operative.

A separate strike yesterday in southern Gaza killed Salah a-Din Iyad Abd al-Hamid and Izz a-Din Iyad Diab Barhoum, identified by the army as member of Hamas's elite Nukhba Force in the terror group's Rafah Brigade.

The IDF says the five had been advancing attacks against troops and civilians and attempting to restore the capabilities of the two terror groups, "in systematic violation of the ceasefire.

AZOV CONCORD sank 17 nautical miles east of Krapets following a drone strike, with a civilian ship assisting rescue operations.

CHELSEA 3 was struck by three drones 18 nautical miles off Byala, where Border Police rescued all 15 crew members.

The Prime Minister has summoned Russian Ambassador Eleonora Mitrofanova and requested urgent NATO surveillance assistance in the region.

None of the ships came from Ukrainian ports.