Washington, May 17 -- Escalating the war of words amid a persistent diplomatic stalemate, US President Donald Trump issued a fresh warning to Iran as negotiations remained deadlocked over uranium stockpiles, sanctions relief and war compensation following months of conflict across the Middle East.

"For Iran, the Clock is Ticking, and they better get moving, FAST, or there won't be anything left of them. TIME IS OF THE ESSENCE!" Trump wrote on Sunday in a Truth Social post.

The US President's sharp remarks came just hours after Iranian media revealed Washington's core conditions for resuming negotiations.

According to Iran's Fars News Agency, the US wants Iran to surrender 400 kilograms of enriched uranium, keep only one nuclear facilit...