The United Kingdom Maritime Trade Operations (UKMTO) says it has received a new report of another incident near Yemen’s port city of Hodeidah, Al Jazeera reports.

The maritime agency says the report indicates explosions were heard and missiles were sighted around four nautical miles away from the reporting vessel, with this happening approximately 60 nautical miles off the Yemeni coast.

It also said a second explosion was reported less than one nautical mile away from the ship’s location, but the vessel and crew are confirmed to be safe and unharmed.