Iranian and American negotiators departed their indirect talks in Geneva with an agreement to keep talking, doing little to ease fears of an impending regional war.

The Iranian minister, Abbas Araghchi, said both sides had agreed on a “set of guiding principles.” President Trump has called on Iran to make an immediate accord or face a possible U.S. attack.

President Trump on Friday said he is hopeful U.S. negotiations with Iran on its nuclear program will be successful, but he warned that if they fail, it would be a “bad day” for Tehran. As the U.S. builds up its defense forces in the Middle East,

The talks come as the U.S. ramps up its military presence in the Middle East and Iran holds large-scale maritime exercises.

Iran is skilled at prolonging negotiations over its nuclear program, and seems to be hoping President Trump is out for a quick win, rather than a prolonged regional war.

President Donald Trump has threatened to strike Iran unless a deal can be made on the nuclear issue, among others.

By Simon Lewis, Humeyra Pamuk and Parisa Hafezi WASHINGTON/DUBAI, Feb 4 - The U.S. and Iran have agreed to hold talks in Oman on Friday, officials for both sides said, even as they remained at odds over Washington's insistence that negotiations include Tehran's missile arsenal and Iran's vow to discuss only its nuclear program.

(Bloomberg) -- US President Donald Trump said he anticipated talks with Iran over a new nuclear deal in the coming days, building on a flurry of diplomatic activity aimed at averting war between the two countries. “We have ships heading to Iran right now ...

Israeli Prime Minister Benjamin Netanyahu was expected to push Trump at a meeting Wednesday to include Tehran's ballistic missile arsenal in any nuclear deal.