The Iran-backed militia routed Yemeni government forces in Mokha, putting the group in a stronger position to attack ships in a crucial waterway for global trade.

With its oil-export routes once again under threat, Saudi Arabia is stepping up its military campaign against an old antagonist.

The Iranian government is taking an increasingly aggressive approach as it confronts a growing economic threat and worries that its grip on the Strait of Hormuz is slipping, analysts say.

The armed group, based in Yemen and backed by Iran, said it had launched missiles near the vital maritime trade route, in a conflict that shows no sign of abating.

The deadly strikes are part of a long-running maritime battle with Ukraine and echo battles over other key shipping routes around the world.