PM cites Tehran's rising regional aggression in phone call with French leader, amid Paris's efforts to facilitate a meeting between Trump and Rouhani

Prime minister was unable to reach US president to convince him not to meet with top Tehran diplomat Zarif at G7, according to report, as Israel worries over Trump-Rouhani summit

After Trump signals willingness to meet with Tehran's leaders, Zarif says Washington first needs to end 'economic war' and 'economic terrorism'

Amir Tohid Fazel bolts after being told agents had come to his Tehran office to arrest him, likely over his reporting on government officials with dual nationalities

US National Security Adviser says sanctions will only come off one a comprehensive deal is in place; Tehran insists sanctions must go first

Ministers said to cite US president's dialogue with North Korea's Kim Jong Un as disturbing precedent, 'but our capacity to influence and confront Trump is extremely limited'

French President says G7 diplomacy created conditions for historic summit; Trump says meeting will require 'correct circumstances' but sit down will have to happen

Trump says there is 'unity' among leading industrial nations group on preventing Iranians from obtaining nuclear weapons, reassures he is not seeking regime change in Tehran

Top military official says domestically built Sahand will escort Iranian vessels around Arabian Peninsula as unrest in strategic waterways continues

US president says America not seeking regime change in Iran after Zarif drops in on summit of world leaders