HUNDREDS OF THOUSANDS OF PEOPLE ON THE STREETS: Across Iran marking the day of support for Palestine, politicians joined the people, explosions near the gathering in Tehran! (VIDEO)

A large explosion occurred in Tehran today, in a square filled with demonstrators, Iranian state television reported.

The explosion occurred at Ferdowsi Square, near University of Tehran, the epicenter of demonstrations marking Quds Day. Quds Day (literally “Jerusalem Day”) is an annual pro-Palestinian event held on the last Friday of the Islamic holy month of Ramadan to express support for Palestinians and oppose Israel and Zionism. The tradition was started by Ali Khamenei.

🚨 Just now: American-Israeli attack on Iranian civilians kills Iranian mother.

Iranian flag stained with the blood of an Iranian mother in the US-Israeli attack on civilians in Tehran rallies.

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A video published by the agency Tasnim News Agency shows smoke rising as demonstrators chant “Death to Israel” and “Death to America”.

Iranian media report that one woman was killed in the explosion.

Smoke rises in the air following an Israeli air strike near a pro-government rally marking the annual Quds Day on Enghelab Street in Tehran city centre.

Chants of Allahu Akbar can be heard in reaction to the strike.

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In Tehran and other cities many people gathered, despite ongoing American and Israeli attacks in the region during the commemoration, state media reported.

⚡️Iranian Foreign Minister Araqchi walks through the streets with the Quds Day march in Tehran pic.twitter.com/wuU3B87I7O
— War Monitor (@WarMonitors) March 13, 2026

In addition, state media stated that several prominent political figures marched through Tehran, including the secretary of Iran’s Supreme National Security Council Ali Larijani, the head of the Atomic Energy Organization Mohammad Eslami, the president of the Supreme Court Gholam-Hossein Mohseni-Eje’i and the police chief Ahmad-Reza Radan.

Iranians march In their millions in various cities for Al-Quds Day, the last Friday of Ramadan in support of the Palestinian people. This tradition was started by Ayatollah Khomeini. pic.twitter.com/D0XqsYRSoN
— tim anderson (@timand2037) March 13, 2026

Larijani said that the “attack on the march route” indicates the “desperation” of Israel.

“Donald Trump is not smart enough to see that the Iranian nation is mature, strong and determined. The more the US pressures, the stronger the will of the people becomes,” Larijani said on the state television Islamic Republic of Iran Broadcasting.

Israel carried out an airstrike in the area while Iran’s judiciary chief was speaking to the media. pic.twitter.com/2OL0iPDYw0
— Clash Report (@clashreport) March 13, 2026

The cause of the explosion is not known. Israel warned just before the explosion that it could carry out an attack in that area.

JUST IN 🇮🇷: Tens of Thousands of Iranians Rally for Quds Day

Almost every single province in Iran has been bombed. The people do not run to bunkers; they are in the streets demonstrating. https://t.co/CWZNptKWYC pic.twitter.com/slEZN1lkUG
— Ryan Rozbiani (@RyanRozbiani) March 13, 2026

Authorities in Tehran did not immediately release details about what happened. However, the site of the explosion appeared close to an area that Israel had previously indicated as a target.

Shortly before the attack in Tehran, an explosion shook the city of Qazvin, which Israel had also warned could be a target.

People also reported other strikes in Tehran at roughly the same time, although there is no available information about what was hit.