Ibrahim al-Assaf blames Tehran for attack on oil facilities, says regime 'masterminding destruction' throughout the world

Patriot missile battery and ground-based radar systems to bolster kingdom's defenses after September 14 attack on oil facilities blamed on Iran

Rouhani meets with world leaders and media figures as diplomatic blitz takes place to address rising tensions

PM urges international community to back Trump's pressure campaign, as European nations join US in accusing Islamic Republic of September 14 strike

General Baqeri says enemies fear attacking his country, so are resorting to economic warfare instead; urges Saudi Arabia, UAE to cooperate

European powers say no other plausible explanation for strike on key facilities, while Iran's FM claims if Tehran were to blame 'nothing would have been left'

British premier considering taking part in US-led military effort to bolster Gulf kingdom's security even as he promises to help 'deescalate' tensions in the region

Officials in Saudi Arabia say attack blamed by US on Iran included 18 direct hits on world's largest crude oil stabilization plant

Officials say Washington likely to send hundreds of personnel, defensive equipment; Trump says restraint 'shows far more strength' than launching strikes

Measures touted as toughest 'ever' by Trump are derided in Tehran as proof of 'how empty their hands are'