Iran has added 77 vessels on a non-compliance list, escalating tensions in the Strait of Hormuz. This step comes after stalled talks over the waterway. Houthi forces have launched new attacks on Saudi targets, such as air strikes in several cities. Saudi civil defense reported attack threats but confirmed the area was secure in six locations. Vessel flow through Hormuz hit a record low in the current crisis. The list deepens worries over safe transit in the region.