India, April 20 -- US President Donald Trump has issued a stark warning ahead of the April 22 deadline for the ceasefire with Iran, saying that if talks fail, "lots of bombs start going off."

The temporary truce, which paused direct hostilities, now hangs in the balance as both sides remain locked in a tense standoff.

"Iran decided to fire bullets yesterday in the Strait of Hormuz - A Total Violation of our Ceasefire Agreement! We're offering a very fair and reasonable deal, and I hope they take it because, if they don't, the United States is going to knock out every single Power Plant, and every single Bridge, in Iran," he wrote.

Negotiations are expected to resume in Islamabad, but uncertainty clouds Iran's participation. Trump admit...