Yemen's Houthis have targeted a fuel tanker, MADO, in the Red Sea, military spokesman Yahya Sarea claims on Tuesday.
Houthi attacks escalate, Iran's influence grows. US responds with airstrikes as tensions rise with joint naval drills involving Russia and China.
Last week the Houthis's leader warned that the group would begin attacking ships heading toward the Cape of Good Hope in Africa's southern tip.
Houthi militants have repeatedly launched drones and missiles against international commercial shipping in the Gulf of Aden since mid-November.
Tensions in the Red Sea sparked by the Houthi attacks on transiting vessels bring several economic, environmental, and security ramifications on a global level.
There were no injuries or damage reported, the United States Central Command (CENTCOM) said.
Houthi military spokesman Yahya Sarea said the group will escalate their military operations in the Islamic holy month of Ramadan in solidarity with Palestinians during the war in Gaza.
Early on Saturday, US Navy ships and aircraft shot down 15 uncrewed aerial vehicles (UAVs) by Yemen's Houthis in the Red Sea area, US Central Command (CENTCOM) said.
Significant damage was caused to the targeted vessel and all the crewmembers abandoned ship.
Israel refrains from Ramadan restrictions • Houthis launch missiles across Red Sea