Move comes after Iranian soldiers seized a tanker in the flashpoint waterway

Iranian president offers 'proportional response' if Britain releases seized tanker suspected of busting sanctions

Warship shadows BW Elm as it crosses Strait of Hormuz, in first since Tehran took a UK-flagged tanker last week amid soaring tensions

CENTCOM commander believes American warship successfully destroyed at least two UAVs over strategic Strait of Hormuz; Tehran denies it

Head of navy says drones tracking all 'enemy' vessels in the region, announces joint naval exercises with 'allied countries' in March 2020

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

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

British official rejects Tehran claim that ship had turned off transponder after hitting Islamic Republic's fishing boat, asserts its vessel had been operating legally

Amid soaring tensions in the Gulf, Revolutionary Guard captured the Stena Impero with 23 crew members aboard on Friday

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