State Department spokesman says Tehran dropped 'veil of neutrality' to support Ukraine invasion after Supreme Leader called for 'long-term cooperation' with Moscow

President Ebrahim Raisi says Islamic Republic 'will not accept any insecurity or crisis in the region' as Biden tours Israel and emphasizes commitment to reining in Iran

'The only way to stop them is a credible military threat,' PM argues; US president publicly disagrees, saying dialogue is still the best way to counter Tehran

Washington, Jerusalem commit to continue to discuss Israeli-Palestinian relations, but only Washington 'affirms longstanding and consistent support of a two-state solution'

Speaking to Channel 12, US president says exiting 2015 nuclear deal was a 'gigantic mistake' by Trump, sees integrating Israel in region as key interest

New units allow Iranians to switch between uranium purity levels more easily, papers obtained by foreign media say, as negotiations to restore 2015 deal remain stuck

Iranian media has reported that deputy head of mission at the British Embassy, Giles Whitaker, had been held for espionage along with other foreign officials, before being expelled

Foreign Minister Hossein Amir-Abdollahian insists all claims in talks are part of 2015 Joint Comprehensive Plan of Action, says Iranians need US guarantees on economic advantages

Rob Malley says Tehran can build bomb within weeks if it chooses to, accuses Iranian negotiators of adding irrelevant demands in Qatar talks

Foreign minister insists Qatar discussions were 'positive'; Tehran's prepared to continue negotiating after US expressed disappointment