Washington DC, Jan. 13 -- US Senator Lindsey Graham has issued a sharp warning to Iran's Supreme Leader Ayatollah Ali Khamenei, responding to remarks in which the Iranian leader cautioned American politicians against what he described as hostile actions toward Iran amid nationwide anti-governmental protests, which Tehran claims are "foreign-backed".

In a post on X, Senator Graham directly addressed Khamenei, adopting a sarcastic and confrontational tone.

"To the Ayatollah: we don't talk as much as we used to. Have I offended you? As to your recent warning to American politicians, I hear Moscow is a winter wonderland. Beware of the drones. Make Iran Great Again," Graham wrote.

The US Senator's remark, "Moscow is a winter wonderland," wa...