Donald Trump has sent a chilling six word warning to Iran (Image: Getty) Donald Trump has issued a new chilling six word warning to Iran as a peace deal between Washington and Tehran teeters on the edge. The US President suggested military action could resume if Tehran failed to agree to Washington’s demands over its nuclear programme. Speaking during a Cabinet meeting at the White House on Wednesday, the US President warned military action could resume if negotiations with Tehran fail to produce a breakthrough over Iran’s nuclear programme. Mr Trump said: “Iran very much wants to make a deal. So far they haven’t gotten there. We’re not satisfied with it, but we will be. Either that, or we’ll have to finish the job.” The stark warning came as senior US officials insisted diplomacy remained the preferred route, despite growing fears the conflict could spiral further if talks collapse. Secretary of State Marco Rubio told the Cabinet meeting the administration was still pushing for a negotiated settlement with Iran and claimed “some progress” had already …