The stranded oil tanker Caroline Bezengi, believed to be part of Russia's clandestine fleet used to evade Western sanctions on its oil exports, is causing an extensive oil spill off Oman's southern coast. The spill, estimated at approximately 600 square kilometers (230 square miles), has been ongoing for over a month and is located near the Hallaniyat archipelago, a marine reserve established to protect sensitive ecosystems. The tanker, loaded with around one million barrels of crude oil bound for Asia, has been stranded since early June following an explosion, and the spill poses a significant threat to Oman's biodiversity, including coral reefs, turtle nesting areas, marine habitats, and coastal areas of ecological importance. Authorities are conducting aerial surveillance and deploying divers to contain the spill and transfer the oil cargo to reduce risks and protect the marine environment. The cause of the spill remains unknown, but concerns are rising about potential environmental catastrophe due to the tanker's age and maintenance issues. The Caroline Bezengi is subject to sanctions imposed by various international bodies, highlighting the complex geopolitical implications of this incident in the Gulf region.