iran's government with a warning. protesters causing trouble may pay the price. authorities are shutting off access to social media apps like instagram. this is day four of unprecedented demonstrations chanting that the regime must fall. the protests are striking, much different than before erupting outside of the capital as well as in small towns and villages. protesters are openly calling for the overthrow of iran's supreme leader. president trump warning iran today the usa is watching very closely for human rights violations. let's bring in senior international correspondent. iran's president is pointing the finger at president trump. explain. >> that's right.