Iran is reportedly set to execute its first protester linked to mass arrests over the widespread anti-regime demonstrations. More than 500 people were also killed in the crackdown.

The U.S. State Department has maintained its highest travel advisory—Level 4: Do Not Travel—for Iran, explicitly warning that U.S. citizens risk arbitrary detention, torture and denial of consular support as anti-government protests have spread nationwide.

In an interview with CBS News' Norah O'Donnell on Monday, Iran's exiled Crown Prince Reza Pahlavi said, "We need action to be taken."

Protests have erupted in Tehran as Iran's rial currency falls into a free fall. 572 people have been killed and more than 10,600 people detained, per the Human Rights Activists News Agency.

Trump is not ruling out a military strike of Iran,, but experts say he is unlikely to give a full push for regime change. Here's

The comments came after President Trump said he was “ looking at some very strong options” to curb the Iranian authorities’ harsh repression of anti-government protests.

Hundreds of protesters have been killed by security forces in what may be the largest − and possibly most consequential − wave of protests in Iran since 2009, human rights groups say. The killings, difficult to verify because Iran has for days imposed a sweeping internet blackout,