“We are currently unable to reach the vessel heading north towards Iran,” the text says.
The company also noted that several unidentified ships and a helicopter approached a tanker registered in the UK during its passage through the Strait of Hormuz.
According to Stena Bulk & Northern Marine Management, at the time of the emergency, a vessel with 23 crew members on board was in international waters.
Earlier, Press TV referring to the Islamic Revolution Guards Corps (IRGC) reported on the detention of the British oil tanker Stena Impero in the Strait of Hormuz.