Aluminium Bahrain (Alba), the world's largest aluminium smelter on one site, confirmed early Sunday that its facility was targeted ​in an Iranian attack a day earlier, resulting in mild injuries to two of its employees.

Confirming the attacks, Alba said the safety and security of Alba's people remain its top priority and was now studying the extent of the damage to its facilities.

"Alba is assessing the extent of the damage to its facilities and remains focused on maintaining its operational resilience and the safety of its employees. The company will provide further updates, as required, in due course," said Alba in its statement. 

The confirmation comes ​after Iran's Revolutionary Guards said they targeted Alba and Emirates ​Global Aluminium in response to attacks on two ⁠Iranian steel plants, reported Reuters. 

The IRGC said, without elaborating, that the two ​companies had ties to US military and aeronautics firms.

Alba had initiated earlier in March a shutdown of three aluminium smelting lines accounting for 19% of its capacity to preserve ​business continuity amid ongoing disruption in the Strait of ​Hormuz. 

It followed a force majeure by the company on March 4 since it ‌was ⁠unable to ship metal to customers due to the closure of the strategic strait, said the Reuters report.

The closures are the latest impact on the Middle East aluminium sector, which accounts for around 9% ​of global supply, ​from the US-Israeli ⁠war on Iran.