As the commemoration took place, senior Iranian security official Ali Larijani left Oman for Qatar, a Mideast nation that hosts a major U.S. military installation and one that Iran attacked in June after the U.S. bombed Iranian nuclear sites during the 12-day Iran-Israel war.

As U.S.-Iran nuclear diplomacy continues, Israel warns that limiting talks to atomic program while ignoring ballistic missiles leaves Jerusalem "exposed."

At least 200 students are believed to have been killed in the protests.

Iran marked the 47th anniversary of its 1979 Islamic Revolution on Wednesday as the country's theocracy remains under pressure, both from U.S. President Donald Trump suggesting sending another

Iran rejects U.S. demands to negotiate ballistic missile program as tensions escalate across Middle East despite ongoing diplomatic talks in Oman.

Israel wants President Donald Trump to push for limits for Iran's ballistic missiles. Experts say Iran won't budge.

Iranian security official Ali Larijani is in Oman, the country currently mediating talks between Tehran and Washington over Iran's nuclear program.

After the talks, we felt there was understanding and consensus to continue the diplomatic process,” Iran’s foreign ministry spokesperson said.

After a round of indirect talks with Trump's envoys in Oman, Iran's top diplomat says the country will keep negotiating, but stresses a lack of trust.

US Iran tensions live updates: Tensions between the US and Iran continue to simmer as both nations work to establish the next round of talks.