US President Donald Trump has laid down firm expectations as tensions with Iran reach a critical point. With a deadline looming, he has threatened to initiate a devastating military campaign aimed at crippling Iran's infrastructure and economy.

Trump's timeline calls for new strikes to commence, targeting crucial national assets such as bridges and power plants, set to begin shortly after 20:00 Washington DC time on Tuesday, indicating a precarious moment for both nations.

Very little is off-limits, Trump declared during a news conference, reiterating his stance that a favorable deal must be reached, which would involve provisions for oil traffic through the strategic Strait of Hormuz.

Despite the heightened threats, Iran appears unyielding, having rejected Trump's demands and issuing its own extensive set of requirements, leading to speculation about the potential for conflict versus diplomatic resolution.

The pressure is mounting on Trump as he navigates a potential backlash from an unmet deadline, yet he remains hopeful for a breakthrough, asserting that Iranian officials show inclination towards negotiations, albeit without clear evidence supporting that claim.

With stakes high, this uncertain standoff may force Trump to reconsider his public threats as he assesses the balance of military action and diplomatic dialogue.