India, Jan. 12 -- US President Donald Trump on Sunday said Iran's leadership has sought talks with Washington amid his warnings of possible military action in response to Tehran's ongoing crackdown on anti-regime protesters.

"The leaders of Iran called," Trump told reporters aboard Air Force One on January 11, as quoted by Radio Free Europe/Radio Liberty.

Meanwhile, the US-based Human Rights Activists News Agency said the violent crackdown on anti-regime protests has resulted in at least 544 deaths.

The agency added that more than 10,681 people have been transferred to prisons following their arrests.

The unrest, which initially began over soaring inflation, has now escalated into demands for an end to clerical rule under Iran's Supre...