Ayatollah Ali Khamenei, Iran’s supreme leader, who has spent more than three decades consolidating power by crushing internal threats, now faces his most significant challenge yet as widespread protests grip the nation.

Iran’s armed forces have been placed at the highest level of readiness, with hundreds of Islamic Revolutionary Guard Corps (IRGC) and regular army units on full alert in response to perceived threats from the United States and Israel, state media reported.

As protests continue to spread with a rising death toll, some believe Iran’s ruling clerics are facing an unprecedented threat, in part because of U.S. President Donald Trump’s moves on Venezuela.

Many Iranian opposition activists are hoping the current unrest could be the beginning of the end of the country's hardline Islamic regime.

In recent days, US President Donald Trump has threatened to intervene in Iran if demonstrators were killed, while Prime Minister Benjamin Netanyahu has expressed support for the protesters. If so, we have a year-end request.

As Iran is gripped by new protests, many people there are focused on the U.S. raid in Venezuela and wonder whether the same could occur in Tehran

Amid a surge of violent protests in Iran, Australia on Wednesday urged its citizens to leave the country immediately, warning

Iran's army chief threatens pre-emptive strikes on the US as protests over economic collapse spread, with blackouts, deadly unrest and fears of wider conflict.