Over 500 people have been killed in two weeks of unrest in Iran, a rights group said on Sunday, as Tehran threatened to attack American military bases in the Middle East if the U.S. hits first.

Demonstrations that began as outrage at the state of the economy have spread to cities across the country, amid an escalating crackdown by the authorities.

Iran cracks down on protesters & issues threat to U.S.; Trump weighs military options in Iran amid escalating government crackdown; Trump administration vows to send more federal officers to Minneapolis;

At least 116 people have been killed in the anti-government across Iran, according to data published on Saturday by the Human Rights Activists News Agency.

Iran’s government threatened to retaliate against the United States if President Donald Trump goes through with his reported plans to intervene in the country, as the death toll from the protests rose above 500.

Exiled Iranian Crown Prince Reza Pahlavi appeals to Trump for support as nationwide protests rock Iran, praising president's backing of demonstrators.

As Iran's protests enter a third week, the country's president blames foreign powers for the unrest, and warns it will retaliate if the US intervenes militarily.