BREAKING: Vessel struck in Strait of Hormuz

>> Brian: WE ARE BACK WITH AN. UPDATE ON THE MIDDLE EAST. SAUDI ARABIA VIEWING TO RESPOND. FIRMLY TO DRONE ATTACKS AS NEW. REPORTS SAY THIS MORNING THAT. ANOTHER VESSEL WAS CRUSHED BY AN. UNKNOWN PROJECTILE IN THE STRAIT. OF HORMUZ. STEVE HARRIGAN IS LATEST IN THE. MIDDLE EAST. >> Reporter: DETAILS STILL. COMING IN ON THAT LATEST ATTACK. WE DON'T KNOW WHOM STRUCK WHOM. INSIDE THE STRAIT OF HORMUZ, BUT. ANOTHER VESSEL HIT BY A.

PROJECTILE. SHOWS HOW ACTIVE THIS STRAIT OF. HORMUZ AREA REMAINS MILITARILY. IT'S THE THIRD SRES STOLE BE. STRUCK IN THE PAST SIX DAYS. SAUDI ARABIA RAISING THE ALARM. AND VOWING RETALIATION. ALARM BELLS GOING OFF IN. MULTIPLE CITIES ACROSS MIDDLE. EAST INCLUDING MECCA, WARNING. ABOUT INCOMING ATTACKS FROM. IRANIAN BACKED HOUTHI REBELS. U.S. OFFICIALS ARE CLOSELY. MONITORING THE SITUATION IN WHAT. COULD BE A SECOND FRONT IN THIS. WAR.

HERE'S THE VICE PRESIDENT. >> WE'VE BEEN IN CONSTANT. CONTACT WITH THE SAUDIS AND. OTHERS AFFECTED IN THE REGION. THE UNITED STATES HAS BEEN VERY. MUCH ON TOP OF THIS. WE'VE ALSO BEEN ENGAGED IN. DIRECT CONVERSATIONS WITH THE. HOUTHIS THEMSELVES. WE FEEL LIKE WE ARE ON TOP OF. THE SITUATION. >> Reporter: THESE HOUTHI. FIGHTERS BATTLING YEMEN. GOVERNMENT FORCES HAVE MADE. RAPID GAIN. ONE REAL CONCERN IS IF THEY TAKE. COMPLETE CONTROL OF A KEY.

WATERWAY IN THE WORLD, ABOUT 12%. OF THE WORLD'S OIL MOVES THROUGH. IT. HOUTHIS ATTACKS HAVE ALREADY HAD. AN IMPACT ON OIL PRICES. BRIAN, BACK.