Two Chinese supertankers carrying a combined 4 million barrels of ⁠Saudi Arabian oil exited the Red Sea via the Bab ⁠el-Mandeb Strait on Thursday, shipping data showed, apparently escaping a blockade on shipments of Saudi oil by Yemen's Houthi rebels even as other vessels came under attack.

The Red Sea blockade by the Iran-aligned Houthis ​is worsening global energy supply disruption, coming at the same time the key Strait of ​Hormuz ⁠has practically shut due to the resumption of fighting between the U.S. and Iran.

The Singaporean-flagged VLCC Xin Long Yang, which made a U-turn and paused in the middle of the Red Sea on Tuesday, resumed its journey southward late on Wednesday, LSEG shipping data showed. The Chinese-flagged VLCC Cosnew Lake followed and both tankers exited the Red Sea later on Thursday, the data showed.

The Xin Long Yang was heading to the port of Qinzhou in southern Guangxi province, while Cosnew Lake is expected to discharge its cargo at the port of Huizhou, in the southern Chinese province of Guangdong, the data showed.

Both vessels indicated through their automatic identification system transmitters that there were Chinese crew onboard, the data showed. The vessels are chartered by Unipec, the trading arm of Asia's largest refiner Sinopec, and loaded crude at Saudi Arabia's port of Yanbu ⁠earlier ⁠this week.