Images and videos from the city showed dark clouds hanging over Tehran, while residents said rain carried an oily residue that stained buildings.
Iran on Monday named Mojtaba Khamenei to succeed his father Ali Khamenei as Supreme Leader, signaling that hardliners remain firmly in charge in Tehran a week into its conflict with the United States and Israel.
The war in the Middle East was triggered after the US and Israel attacked Iran last Saturday, killing Ayatollah Ali Khamenei.
US-Israel-Iran War Live Updates: Iran launched on Monday its first missile attack at Israel after the appointment of the Islamic republic's new supreme leader, Ayatollah Mojtaba Khamenei
Oil prices eclipsed $100 per barrel for the first time in more than three and a half years Sunday as the Iran war hinders production and shipping in the Middle East.
Iran on Sunday indicated it had chosen Ayatollah Ali Khamenei's son Mojtaba as his successor, after Israel struck fuel depots in Tehran overnight.
A projectile killed two people and injured 12 more in Saudi Arabia's Al Kharj governorate, south of Riyadh, the kingdom's civil defence said on Sunday, as Iran continued to launch missiles and drones at its Gulf neighbours.
Iran's elite Guards have launched ballistic missiles towards Israeli and US bases as the Middle East remains on the edge in the second week of war.
The Israeli Air Force said on Sunday that it carried out strikes on facilities housing Iran's F-14 Tomcat fighter jets at an airport in Isfahan.
Residents of Tehran woke up on Sunday expecting daylight. Instead, they found the city still shrouded in darkness.
Iran's President Masoud Pezeshkian appeared to backtrack from his conciliatory remark towards his Gulf neighbours.
The Iran war rages through its second week as Washington maintains suspense over invading the Gulf nation to achieve its end goals.
Nine days into the American and Israeli military campaign against Iran, Tehran's retaliatory strikes are showing no signs of letting up, and a video allegedly filmed in Qatar shows the chaos of living close to US military bases as strikes continue.
Massive blasts and towering plumes of smoke lit up Tehran after Israeli airstrikes targeted five key fuel depots in the Iranian capital. Four people, including two tanker drivers, were killed.
Tova Noel was a correctional officer at the Metropolitan Correctional Center in Manhattan.
Iran accused the United States of attacking a freshwater desalination plant on Qeshm Island.
The Boeing 777 carrying 239 people vanished from radar screens on March 8, 2014, while en route from Kuala Lumpur to Beijing.
As the war between Israel and Iran enters its ninth day with intense aerial strikes and mounting regional tensions, Israel's objective is to weaken the Iranian regime to a point where internal change becomes possible.
Iran said it had so far used "first and second generation" missiles, but will use "advanced and less-used long-range missiles" in the coming days.
The authorities in the United Arab Emirates have issued a warning that strict action will be taken against anyone who films incident sites, prohibited areas, or airport interiors without authorisation.
Crude oil prices rise by as much 20 percent as sprawling regional conflict threatens global energy supplies.
Iran's military and political leaders pledge allegiance to Mojtaba Khamenei as US-Israeli attacks continue.
Iranian state television has announced that the Assembly of Experts has chosen Mojtaba Khamenei as supreme leader.
An apology comes from Iran's president, yet missiles are still hitting neighbours.
Decree strips parties of legal status and assets, as opposition leader calls on Guineans to resist.
Palestinians were killed after armed Israeli settlers attacked the village of Abu Falah in the occupied West Bank.
Mojtaba Khamenei will now be charged with leading Islamic Republic through the biggest crisis in its 47-year history.
Two people have been arrested after the device was thrown, as far-right demonstrators clashed with counterprotesters.
Marches on 115th anniversary of IWD place focus on issues like US-Israeli war on Iran and Trump's links with Epstein.
Colombians will choose from more than 3,000 candidates vying for 102 Senate seats and 182 House seats.
Army tells UN and aid workers to leave as forces close in on one of the last opposition strongholds.
US president continues to focus on election administration ahead of November midterms, sparking concern from critics.
The US and Israel continue to strike Iran, hitting oil storage depots and refining facilities in Tehran.
US and Israel attack Iran: Information is power, and now everyone has it.
Scottish FA launches investigation after fans fought on the pitch following the Scottish Cup quarterfinal in Glasgow.
Mojtaba Khamenei has succeeded his father, Ayatollah Ali Khamenei, who was assassinated in joint US-Israel attacks.
Trump says new supreme leader will 'not last long' without US approval, hours before Mojtaba Khamenei is selected.
Iran's IRGC had earlier said it targeted radar systems in locations including Al-Kharj, home to Prince Sultan base.
US troops reportedly told the war in Iran is intended to bring about biblical end times, Armageddon.
Bumrah's stunning bowling sealed India's record-breaking win at home after Samson and Abhishek's batting fireworks.
The Israeli intelligence agency counts on unconditional US cover and adversary lapses for its assassination policy.
Analysts say Israel's actions in Lebanon, including mass displacement, are an effort to reshape the country.
The US-Israeli war on Iran is illegal and goes against the interests of the American people.
Lebanon's social affairs minister said 517,000 people had been registered as displaced during the conflict.
‘This war has not been thought through’