Feb. 26 (UPI) -- The third round of U.S.-Iran nuclear talks is set to kick off Thursday in Geneva amid heightened tensions between Tehran and Washington, as President Donald Trump threatens military action if a deal is not made.

Iran, US set for Geneva nuclear talks seen as last chance for diplomacy, as Washington deploys aircraft and warships to pressure Tehran.

GENEVA | Xinhua | As the United States and Iran meet in Geneva on Thursday for nuclear talks, the hope for a possible agreement that will satisfy both parties is overshadowed by tense diplomatic language. Despite both countries signaling their intention to negotiate, the recent U.S. military deployment in the Mideast and Iran’s claim of …

Tensions between Iran and the United States are playing out in Geneva, where another round of indirect talks to try to salvage a deal on Tehran’s nuclear program and possibly prevent another war, have ended.

US Secretary of State Marco Rubio warned that Iran must negotiate on its missile programme, calling Tehran's refusal to discuss ballistic weapons "a big, big problem".

He also held consultations with Rafael Grossi, head of the International Atomic Energy Agency, on technical aspects of Iran’s nuclear programme ahead of the discussions

US envoy Steve Witkoff and Iranian Foreign Minister Abbas Araghchi will attend the meeting today.

The indirect negotiations in Geneva are seen as a last-ditch effort, but the chances of a nuclear agreement are unclear.

Iran and the United States reported “significant progress” in Oman-mediated nuclear talks in Switzerland, with discussions set to continue in Vienna next week.

Iran and the United States reported “significant progress” in Oman-mediated nuclear talks in Switzerland, with discussions set to continue in Vienna next week.

The United States and Iran began the third round of their current cycle of indirect nuclear talks in Geneva, Switzerland on Thursday.

Iran reports significant progress in U.S. nuclear talks, with further discussions scheduled within a week in Vienna.

President Trump has kept up a steady drumbeat of threats and built up U.S. troops in the region. Iran’s task is to give him a win but also preserve some semblance of nuclear enrichment.

Iran goes into negotiations with the US on Thursday (Feb 26) with "seriousness and flexibility", said a foreign ministry spokesperson.

US and Iranian officials held a fresh round of Oman-mediated nuclear talks in Geneva on February 26 for what is seen as a last-ditch attempt to avoid a major military conflict between the foes.

Iran and the United States were holding another round of indirect talks in Geneva on Thursday to try to reach a deal on Tehran's nuclear program and potentially avert another war as the U.S. gath

Tehran’s delegation presented a proposal during the latest round on Thursday intended to address US concerns about Iran’s nuclear program, IRNA reported.

The United States and Iran made significant progress in talks on Thursday aimed at resolving a longstanding nuclear dispute and averting new U.S. strikes, mediator Oman said, amid Washington's large-scale military ‌buildup in the Middle East. The two sides plan to resume negotiations soon after consultations in their countries' capitals,…

Iran and the United States prepared to meet Thursday in Geneva for nuclear negotiations viewed as a last chance for diplomacy