As could be predicted, the US and UK media are reporting Iran's seizure of the Stena Impero as if it were something out of the blue, pushing the war propaganda that "we" have been attacked and must retaliate. Media criticism of the UK is limited to claims that it has not put enough military into the Persian Gulf, not that it should never have seized the Iranian ship in the first place.
The truth is, the UK seizure of the Iranian ship was calculated to force Iran to retaliate and thus provide the pretext the neocons need to get their war.
As usual, Trump's National Security Advisor John Bolton is in the thick of this operation. Bolton Tweeted that he was so surprised – but pleased – by the UK move against the Iranian tanker. However it is becoming clearer that Bolton was playing a role behind the scenes pushing London to lure Iran into making a move that might trigger the war he's long been yearning for.