Iranians in over 100 cities and towns across the country are protesting on the streets, shouting slogans against the regime and demanding greater rights.

Iran's exiled crown prince wants Iranians to seize the momentum of mass protests, and one analyst believes it could prove a tipping point.

Iran army chief threatens preemptive military action after President Donald Trump warned the U.S. is "locked and loaded" if the regime kills protesters.

Anti-government protests erupted in Tehran on Thursday, as Iranians angered by a flailing economy and crackdowns by security forces marched through the streets of the capital and shouted slogans against the ruling theocratic regime.

Iran facing "nationwide internet blackout," monitoring group says, amid hope that 12 days of deadly protests may swell into a tipping point against a repressive regime.

Iran has insisted for decades that its nuclear program is peaceful. However, its officials have increasingly threatened to pursue a nuclear weapon. Iran had been enriching uranium to near weapons-grade levels prior to the U.S. attack in June, making it the only country in the world without a nuclear weapons program to do so.

Internet connectivity data collected on Thursday showed that the country went almost completely offline, as the government cracks down on protesters.

Protesters angry over Iran's ailing economy conducted a sit-in Tuesday at Tehran's Grand Bazaar, witnesses said, with security forces ultimately firing tear gas and dispersing demonstrators as the rest of the market shut down.

The protests began Sunday in downtown Tehran as the Iranian currency hit a new low, but they have since expanded in size and scope, moving beyond the narrower cause of the economy to "freedom and equality" and an end to the regime, evident in the slogans protesters are chanting.

Chinese independent refiners are expected to switch to heavy crude from sources including Iran in coming months to replace Venezuelan shipments halted since the U.S. removed the country's president, traders and analysts said.