UK foreign minister calls seizure of tanker by Iran an act of state piracy; Tehran releases video of crew, in apparent bid to show they are unharmed

Boris Johnson expected to be chosen to replace Theresa May, but forces within party vow to bitterly oppose his Brexit strategy

Riyadh says Tehran's behavior in Gulf is 'completely unacceptable' as Britain set to hold emergency meeting on spiraling crisis

Iranian officer told the Stena Impero to change course, saying, 'you obey, you will be safe' before British officer said vessel must be allowed safe passage

While London accuses Tehran of 'dangerous' escalation, Islamic Republic says it's probing Stena Impero's alleged collision with a fishing boat, failure to respond to distress calls

With scarcely three months to go till Brexit, no deal on the table and skepticism in both Brussels and Westminster, next premier faces choppy political waters

IRGC video shows men in military fatigues and black masks rappel onto the ship from a hovering helicopter; EU expresses 'deep concern'

Lebanese terror group commanders say forces being sent to south for possible conflict, as pressure on Tehran grows

Tehran appears to speak in two voices while explaining confiscation of British-flagged ship, as European powers urge the country to reverse its 'dangerous' course

Officials assert they are operating according to law to investigate accident in Strait of Hormuz, as London seethes over vessel's confiscation