Iranian advisers helped Houthis seize Yemen’s Red Sea coast in less than 48 hours, sources tell AP

Sourcing of this kind, named intermediaries attributing a specific advisory role to Tehran in a proxy advance, has historically mattered less for the territorial detail than for what it signals about deniability: past episodes where outside sponsorship of a proxy was documented rather than assumed have tended to precede escalatory rhetoric and, in some cases, sanctions or interdiction responses rather than direct confrontation. The transmission channel for markets runs through the Red Sea and Bab el-Mandeb: war-risk insurance premia, rerouting around the Cape, and tanker and container freight rates, which in comparable disruption episodes have repriced well before any formal closure, and have tended to stay elevated even after immediate hostilities cooled. The actors' prior form is established: the Houthis have previously converted coastal control into attacks on commercial shipping, and Iranian involvement has on previous occasions been treated by Western governments as a threshold for sharper measures once publicly evidenced. The distinction worth drawing is between reporting that names advisers on the ground, which raises the probability of attribution-based responses, and generic claims of support, which have historically been absorbed without policy consequence. Follow-ons to note are official confirmation or denial from the states involved, any coalition maritime security announcements, and shipping guidance from the relevant naval and insurance bodies, since those have been the reliable tells in prior episodes of this kind.