Oil prices moved closer to the $100 mark as tensions rose sharply around major Middle East shipping routes. Markets reacted to reports that Yemen’s Iran-backed Houthi movement said it had targeted two Saudi oil tankers in the Red Sea, fueling fresh concern about the safety of energy supplies moving through the region.

The reported strikes were seen as a new stage in the confrontation, especially because they appeared to follow through on earlier Houthi threats to disrupt Saudi-linked maritime traffic. Any attack on oil tankers in the Red Sea can quickly unsettle traders, given the waterway’s importance to global shipping and crude flows.

At the same time, Washington signaled that it would hold Tehran accountable for any future Houthi attacks on ships in the Strait of Hormuz. That warning added to fears that pressure could spread beyond the Red Sea to another critical chokepoint for world energy markets, increasing the risk of broader disruption.

The combination of tanker attacks, rising geopolitical tension and concern over key sea lanes has put oil markets on edge. With investors watching both the Red Sea and the Strait of Hormuz closely, the latest developments have intensified worries about how quickly regional conflict can drive energy prices higher.