US envoy: 'Prospects for deal with Iran are tenuous at best'

US Special Envoy for Iran Rob Malley told lawmakers on Wednesday that the prospects for reaching a deal with Iran are “tenuous” at best.

Speaking to the Senate Foreign Relations Committee and quoted by Reuters, Malley said the United States is ready to tighten sanctions and act with Israel and others to counter the Iranian threat if efforts to revive the 2015 Iran nuclear deal fail.