Yemen's Houthis said they would target any ships belonging to companies that do business with Israeli ports, regardless of their nationalities, as part of what they called the fourth phase of their military operations against Israel.
In a televised statement, the Houthis' military spokesperson warned that ships would be attacked if companies ignored their warnings, regardless of their destination.
"The Yemeni Armed Forces call on all countries, if they want to avoid this escalation, to pressure the enemy to halt its aggression and lift the blockade on the Gaza Strip," he added.
Since Israel's war on Gaza began in October 2023, the Houthis have been attacking ships they deem as bound or linked to Israel in what they say are acts of solidarity with Palestinians.
In May, the US announced a surprise deal with the Houthis where it agreed to stop a bombing campaign against them in return for an end to shipping attacks, though the Houthis said the deal did not include sparing Israel.
Interior ministers of the Gulf Cooperation Council (GCC) have held an emergency ministerial meeting in Riyadh, chaired by the Kingdom of Bahrain, according to the Saudi Press Agency.
Gunshots broke out in chaotic scenes at the Philippine Senate on Wednesday where troops had been deployed after a politician wanted by the International Criminal Court urged supporters to mobilise and thwart his imminent arrest.
US President Donald Trump and an entourage that included Nvidia's Jensen Huang and Elon Musk were greeted with a lavish welcome in Beijing on Wednesday as he prepared to ask China's Xi Jinping to "open up" to US business at the start of their two-day summit.
Israeli airstrikes killed eight people on a highway south of Beirut on Wednesday, Lebanon's health ministry said, as conflict between Hezbollah and Israel continued on the eve of a third round of US-mediated talks between Lebanon and Israel.