There were signs Friday that some U.S. allies in the Middle East may be losing patience with the daily escalation and lack of diplomatic progress. “It’s only getting crazier,” one senior Arab official, directly involved with diplomatic efforts, told NBC News.

Iran launched renewed attacks across the Gulf, where recent strikes on desalination facilities have raised concerns about water shortages

In another escalation, the US president said American forces would broaden bombing to a nuclear site called Pickaxe Mountain, 220 kilometres south of Tehran.

Donald Trump threatened strikes on Houthis in the Red Sea.