The crew of a Frontline tanker damaged in a reported torpedo attack in the Middle East Gulf have been taken to Iran.

Iranian search and rescue teams picked up 23 seafarers on Thursday, the Islamic Republic News Agency (IRNA) reported, citing an unnamed source.

The crew have been taken to the port of Jask, it said.

All 23 from the 110,000-dwt LR2 Front Altair (built 2016) abandoned ship after a fire broke out following an explosion.

They were rescued by the 30,100-dwt cargoship Hyundai Dubai (built 2011).

IRNA reported they were then handed over to an Iranian rescue vessel.

Owner HMM said in an email that its Hyundai Dubai handed over the crew to the Iranian rescue vessel.

Front Altair manager ITM said all applicable security procedures were followed in transiting the Strait of Hormuz, and there has been no marine pollution reported.

The crew comprises 11 Russian nationals, a Georgian and 11 Filipinos. They were unharmed.

ITM added: "They were transferred to an Iranian navy vessel and disembarked at a local Iranian port. It is understood they are now being transferred to Bandar Abbas."

The owner the manager are "working closely with all the relevant authorities and home country embassies and ministries of the crew members to ensure their support in securing their earliest repatriation to their homes and families with their safety being our primary concern."

It said: "All families of the crew of the vessel have been contacted and are being kept informed of the situation."

The 21 Filipino seafarers from BSM's 27,000-dwt Kokuka Courageous (built 2010), also attacked on Thursday, are safe on board a US navy vessel.