The US warned on Saturday it was “more than capable” of resuming war with Iran after President Donald Trump said any peace deal must adhere to his red lines, including Tehran never being able to develop nuclear weapons. The White House had signalled Trump was close to a decision on an initial deal on Friday after weeks of mixed signals in tenuous negotiations, though Tehran denied there was a final agreement on ending the Middle East conflict that has jolted the global economy. Trump emerged from the White House situation room after spending more than two hours with senior aides but did not immediately announce his decision. Meanwhile the Pentagon chief Pete Hegseth , while attending a major Asia defence summit in Singapore, said on Saturday local time that Washington could restart the war if it wanted.…