India, May 17 -- US President Donald Trump has issued a fierce ultimatum to Iran, warning the nation's leadership of catastrophic consequences if they fail to quickly accept Washington's terms for an agreement. The stark message comes amid mounting global anxiety over stalled ceasefire negotiations and a tight naval blockade paralysing the region.

"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 declared Sunday afternoon in a characteristically blunt post on his social media network, Truth Social.

Trump's aggressive rhetoric followed hours after international intelligence networks and Iranian state media revealed a strict five-point US proposal aim...