Pakistan's Interior Minister has arrived in Tehran, according to an Iranian official

High-level visits between neighbouring states during an active regional conflict have historically been vehicles for back-channel messaging rather than formal diplomacy, and Pakistan occupies an unusual position here: it shares a border with Iran, maintains ties with Gulf states and Washington, and has on past occasions of regional escalation offered itself as an intermediary. An interior minister rather than a foreign minister travelling is notable; that portfolio carries security and intelligence weight, which in comparable episodes has signalled discussions on border security, de-escalation channels, or consular and evacuation logistics rather than public-facing mediation. The substantive read depends on who receives him and whether any joint statement follows, since in past episodes of this kind the absence of a readout has tended to indicate a message-carrying trip while a photographed meeting with senior security figures has pointed to coordination. The transmission channel to markets in prior regional escalations has run through crude, via risk premia on supply through the Gulf and shipping insurance, and through the usual haven bid, with moves unwinding quickly when talks produced nothing concrete. Worth watching are parallel contacts: whether other regional or extra-regional officials are in motion at the same time, which has historically distinguished a genuine negotiating track from a courtesy call. As a single-visit headline with no agenda attached, the signal is thin until follow-ons clarify it.