No major commercial ships have passed through the Strait of Hormuz in the last 24 hours as of 0900 GMT, amid rising security risks and tighter Iranian controls over one of the world’s most critical maritime chokepoints, according to ship tracking data compiled by Anadolu.

Commercial traffic through the waterway has sharply declined in recent weeks, with many operators rerouting ships or avoiding the Gulf due to security concerns, signal jamming and uncertainty over passage conditions.

The latest stoppage came after Beijing-based news outlet Caixin reported that a Chinese-owned large oil tanker was attacked in the Strait of Hormuz on Monday, in the first such incident involving a Chinese vessel since the war began.

The incident reportedly occurred off the United Arab Emirates’ Al Jeer port and caused a fire on the ship’s deck.

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