Explosions in the Red Sea off the coast of Yemen were reported on Tuesday after sightings of unmanned aircraft and missiles in two separate incidents, a British maritime authority said. Two unmanned aircraft were observed before two explosions occurred 5 nautical miles from a vessel located 50 nautical miles west of Hodeidah on Yemen’s west coast, United Kingdom Maritime Trade Operations authority said in an advisory. In an apparent separate incident, an explosion was heard and missiles were seen 4 nautical miles from a vessel 60 nautical miles from Hodeidah, the authority said. Another explosion was reported to have occurred 0.5 nautical miles from the same vessel, it said. It was not immediately clear if the incidents involved the same vessel, which the authority did not identify. Cargo details or an indication of where the vessel or vessels were sailing to or had sailed from were also not disclosed. In both incidents the vessel and crew were reported to be safe. The British authority did not say from where the reported drones or missiles originated and there was no immediate claim of responsibility.