Iran's nuclear program, enrichment of uranium and its ballistic-missle development program have been at the crux of the negotiations.

Trump says he won't let Iran to build a nuclear weapon, and Iran says it doesn't intend to, but as talks resume, experts see war as more likely than a deal.

Iran-US Tensions Live Updates: <br />1. US-Iran Nuclear Talks in Geneva Hit Impasse as Washington Demands Zero Enrichment and Uranium Transfer<br />2. Indirect Iran–US talks concluded with a "positive response" in Geneva at the Omani diplomatic residence.

Iran and the United States held indirect talks in Geneva, attempting to reach a deal on Tehran’s nuclear program and potentially avert another war as the U.S. gathers a massive fleet in the Middle East.

Iran accuses Trump of lying in his State of the Union about the country's nuclear ambitions, as the next round of bilateral talks looms.

North Korean leader Kim Jong Un promised to strengthen his country’s nuclear weapons program on Wednesday, before presiding over a nighttime military parade, accompanied by his daughter.