New Delhi, July 30 -- CAIRO - A drone struck the US-owned floating gas storage vessel Energos Winter at Egypt's Mediterranean port of Damietta on Wednesday, triggering a fire that spread to a second tanker nearby in an attack Egypt's authorities confirmed was caused by unmanned aerial vehicles, marking a significant expansion of the Iran conflict's maritime dimension beyond Gulf waters.

Egypt's petroleum ministry confirmed a fire broke out at the port but initially declined to identify its cause. Security sources told British maritime security firm Ambrey that at least two drones had been used in the strike. Both crews were evacuated before the fire spread, and no casualties were reported. Emergency teams brought the fire under control a...