The Iranian authorities have imposed an information blackout as they try to quell protests, but eyewitness testimony and videos conveying the deadly toll have made their way out.
President Trump said Sunday that Iran proposed negotiations after his threat to strike the Islamic Republic over its crackdown targeting demonstrators. Activists say at least 544 have died.
President Donald Trump has been weighing a range of options against Iran amid the country's crackdown on protesters that human rights groups say has killed more than 500 people
