A massive fire engulfed a bustling market in western Tehran, causing widespread smoke and prompting a swift emergency response. Authorities are yet to determine the cause as firefighters continue their efforts to control the blaze.

Trump-Iran latest: US military shoots down Iranian drone as Tehran demands venue change for talks - The incident came ahead of planned talks between Iran and the United States

The latest development comes days after US President Donald Trump said ships are being moved towards the region 'just in case' he decides to take action. In return, Iranian authorities warned its force is 'more ready than ever,

People flock to pay their respects to lost loved ones at Tehran’s largest cemetery, after thousands were killed in a bloody crackdown on protests against Iran’s government.

Iran protests entered day 24 with 4,519 confirmed deaths. Supreme Leader Ayatollah Ali Khamenei backs security forces amid nationwide demonstrations.

A massive fire that broke out Tuesday at a bazaar west of the Iranian capital has been brought under control, authorities said, with the cause of the blaze unclear.

DUBAI, Feb 1 (Reuters) - Iran's Supreme Leader Ayatollah Ali Khamenei said that if the U.S. attacked Iran it would become a regional conflict, state media reported on Sunday, amid heightened tensions between Washington and Tehran.

Nasiri noted that 82 metro stations across Tehran have been officially designated as shelters and are being equipped with essential living facilities, including restrooms, water, and food reserves. He added that the installation of shelter signs and labels at these stations will be completed soon.

Iranian authorities arrested 139 foreign nationals in Yazd during anti-government protests. As many as 30,000 people are feared to have been killed during weeks-long demonstrations. View on euronews