Much of the recent smuggling activity has been through Oman, which neighbors Yemen, including via overland routes that take advantage of porous borders between the two countries, the officials said. That raises a further quandary for Washington, which views the tiny Gulf state as a strategic interlocutor and ally in the conflict-ridden region. A senior U.S. administration official said that Washington had informed Oman of its concerns, without specifying when. ‚We have been concerned about the recent flow of weapons from Iran into Yemen and have conveyed those concerns to those who maintain relations with the Houthis, including the Omani government‘ the official told Reuters.“
(Yara Bayoumy/Phil Stewart: „Exclusive: Iran steps up weapons supply to Yemen’s Houthis via Oman – officials“)