A Sri Lanka navy spokesperson announced Wednesday that an Iranian ship had sunk off the coastline of Sri Lanka.

Search and rescue operations are ongoing, the spokesperson said, The Caspian Post reports, citing foreign media.

According to Sri Lanka’s foreign minister, at least 30 people have so far been rescued from the ship.

The cause of the sinking is not yet known. The US military has, meanwhile, been targeting Iranian ships in the Middle East, with the commander of US forces in the region saying yesterday that 17 Iranian vessels have so far been destroyed.