Jeremy Hunt says Britain not weighing military options to secure ship's release as owner of second vessel detained by Iranian Guards says it has been set loose

Supreme leader says 'vicious acts' will not go unanswered, also declares Tehran will further breach 2015 nuclear deal

Boris Johnson and Jeremy Hunt both condemn comments by president against Democratic lawmakers, joining outgoing prime minister May

Foreign ministers want Iran to respect the terms of the deal, aim to drum up further support for bloc's barter-type system to trade with Tehran and get around US sanctions

British foreign secretary appears to warn Tehran of consequences over breaching nuclear deal

Foreign Secretary Jeremy Hunt asserts London not seeking escalation of tensions with Tehran, but wants assurances ship not heading for Syria

Darroch quits over publication of letter in which he calls White House 'uniquely dysfunctional'; May says resignation, day after Johnson fails to back envoy, is 'matter of regret'

After British PM remains supportive of ambassador who described US leader as 'inept,' president says 'good news' is that UK will soon have a new premier

After British envoy calls administration dysfunctional and inept, US leader says Darroch 'is not liked or well thought of'

US president says Ambassador Kim Darroch had 'not served the UK well' after leaked memos show he called administration 'dysfunctional, clumsy'