Satellite imagery captured smoke rising from an oil facility in Abqaiq, eastern Saudi Arabia, on Monday (July 27), as Yemen's Iran-aligned Houthis said they had targeted several sensitive crude oil supply and transport sites linking the region to the key Red Sea export hub of Yanbu.

Houthi military spokesperson Yahya Saree said the operation was in response to what he described as Saudi drone incursions into Yemeni airspace.

Saudi Arabia has re-routed its crude output to Yanbu via its east-west pipeline to get around Iranian attacks on shipping in the Strait of Hormuz, which began after the US and Israel launched a war on Iran in February.