India, April 21 -- The deadline for the end of the US-Iran ceasefire is nearing, but the end of the war that began on February 28 is still nowhere in sight.

US President Donald Trump has been flipping back and forth across the negotiation spectrum, from threats to assurances. Iran, however, has been adamant. They won't talk with "a gun to our heads".

Trump on Tuesday threatened to bomb Iran if they do not agree to a deal before the end of the two-week ceasefire on Wednesday, even as Pakistan urged the two sides to extend the truce and give diplomacy a chance.

Trump had indicated that his team of negotiators could reach Islamabad by Monday night for talks, while the Iranian delegation was also expected to travel there. So far, there has...