CAIRO, July 27 -- The US paused its attacks on Iran for a second straight day Sunday and Tehran said it had done so too, as efforts continued to bring the countries back to negotiations on an interim ceasefire deal largely undermined by recent exchanges of fire. It was not clear why the US has paused after targeting Iranian coastal areas and infrastructure in a nearly two-week escalation sparked by Iran's firing at ships trying to transit the Strait of Hormuz. The Pentagon did not immediately respond to questions Sunday. U.S. President Donald Trump is "giving talks some space. He's giving it a little bit of room," Mike Waltz, the U.S. ambassador to the United Nations, told Fox News. "We've had both Oman and Iran, and a number of our other negotiators, engaged at every level, from the most senior levels all the way down to the technical level over the past few weeks, and particularly in the past few days." Since the US has halted attacks for the past two nights, Iran has as well, its army spokesperson told Iran's state TV on Sunday. Tehran in recent days has counterattacked against countries in the region hosting U.S. military forces, killing at least three at a base in Jordan. The 60-day period that began when the interim deal was signed by both countries in mid-June is now well into its second half, and major issues that were meant to be negotiated -- notably Iran's nuclear program at the heart of tensions -- remain set aside as mediators try to keep both sides talking....