Iranian president says third step away from 2015 nuclear deal will be of 'an extraordinarily significant nature' unless Europe comes up with solution

US president's statement comes after Iranians rule out any high-level bilateral talks without sanctions relief

PM to discuss efforts to 'rebuff Iran's terrorism and aggression' with embattled counterpart Boris Johnson; will also powwow with new US defense chief

Though calm was restored after exchanges of fire earlier this week, terror group reportedly seeks to avenge Beirut drone attack blamed on Israel

PA also calls premier's trip to West Bank city 'racist,' says it is purely for domestic political purposes ahead of this month's elections

'If someone doesn't have anything to hide, they don't have anything to fear,' says deputy prime minister; technology has been used by authoritarian regimes to stifle dissent

Despite right-wing pressure, PM refrains from announcing additional settlement construction in West Bank city during ceremony marking 90th anniversary of massacre

Washington separately offers $15 million reward for information that could disrupt financial mechanisms of the Revolutionary Guards, including the Quds Force

Netanyahu makes rare visit to volatile West Bank city, home to some 200,000 Palestinians and hundreds of Israeli settlers, to mark 90th anniversary of massacre

Saad Harari's remarks come as Israel stresses it won't distinguish between Beirut and the Lebanon-based terror group in future conflict