As diplomats prepare for return to talks in Vienna, head of IAEA says Tehran failing to move forward on 'long list' of issues that must be resolved

Rob Malley will also travel to UAE, Saudi Arabia and Bahrain to 'coordinate our approaches' on range of concerns regarding Iran, before seventh round of Vienna negotiations

Amid high tensions ahead of resumption of nuclear talks, Tehran says air defenses shot at 2 UAVs near strategic Strait of Hormuz, causing them to change course

Islamic state vows to keep up violations of nuclear deal until it is confident Washington's countermeasures will end

Air force units and ground forces participating in military exercises to prepare for 'foreign threats and any possible invasion'; drill taking place near strategic Strait of Hormuz

Diplomatic correspondent Lazar Berman and environmental reporter Sue Surkes discuss their reporting at the climate conference in Glasgow

Tal Kalman, who holds the military's Iran file, says Israel prefers a diplomatic solution but is 'preparing for other scenarios' as well

Tzachi Hanegbi says opposition party will give full backing if government decides to attack Tehran's nuclear program

US national security adviser says Rome meeting during G20 with Germany’s Merkel, France’s Macron, UK's Johnson will see leaders 'all singing from the same song sheet on this issue'

State Department says it believes 'that it remains possible to quickly reach and implement an understanding on return to mutual full compliance' with 2015 accord