Iran live updates: Trump says US 'open' to 'concept' of negotiating deal with Iran

President Donald Trump is continuing to deny recent accounts that U.S. munitions stockpiles are dwindling as the war in Iran carries on, saying in a social media post Monday that he "just received a Report that the United States is producing more Exquisite and Elite Weapons than at any time in our History."

He said the high-grade weapons are being delivered “daily” to military forces in the Middle East, specifically highlighting that production has been focused on Patriot missiles, THAAD anti-ballistic missile systems, Tomahawk missiles and other "Standard Missile Systems."

-ABC News' Isabella Murray

President Donald Trump is now saying that he is "open" to the "concept" of negotiating a deal with Iran.

"The failing Nation of Iran wants to make a deal, quickly and badly. I will determine whether or not the U.S.A. will choose to engage -- The concept of which we are open to,” Trump said on his social media platform on Monday.

This comes despite the president's recent comments casting doubt on Iran's trustworthiness and suggesting a deal wouldn't hold any value.

"I think an agreement with them isn't worth the paper it's written on," Trump told Fox News on Sept. 1. That day, he also posted: "I couldn't care less if they sign a worthless, to them, agreement."

On Sunday, Trump said he would only make a deal with Iran if it is the "right deal," but offered no other details about what this would look like.

-ABC News' Emily Chang

Iran "does not interfere in Yemeni affairs," Iranian Foreign Ministry spokesperson Esmaeil Baqaei said in his Monday press conference, saying Iran has "no relations whatsoever with what is unfolding in Yemen."

Iran has long maintained a military and political relationship with the Houthis, with its adversaries accusing Tehran of training, funding and arming the Yemeni group as part of its so-called "Axis of Resistance."

Analysts have attributed Iranian assistance for the growth in scale and sophistication of the Houthi ballistic missile and drone arsenals, in particular.

Last week saw the start of a new round of intense fighting on Yemen's western Red Sea coast, between the Houthis and forces loyal to the Saudi-backed internationally-recognized Yemeni government.

Fighting was continuing as of Monday, according to reports. Clashes were reportedly ongoing in the area on the mainland near Perim Island, which sits in the middle of the strategic Bab el-Mandeb Strait.

-ABC News' Victoria Beaule

Saudi Arabia asked for the postponement of Monday's planned meeting between Iranian and Gulf state representatives in Oman, Iranian Foreign Ministry spokesperson Esmaeil Baqaei told reporters during a Monday press conference.

Omani Foreign Minister Badr Albusaidi announced on Sunday that the meeting was postponed "in the interest of consensus." No new date has been set.

-ABC News' Victoria Beaule