Tehran accuses bloc and 2015 agreement's European signatories of having 'malicious intentions,' as Britain says sanctions to remain due to 'continued Iranian non-compliance'

Bloc's Home Affairs Commissioner Ylva Johansson says she's 'very worried' about Johan Floderus, who is being held at notorious Evin prison

As Johan Floderus marks his 33rd birthday in custody, his relatives in Sweden say 'he should be with us celebrating'

Incredibly rare joint trip through Strat of Hormuz follows recent seizure by Iranian forces of two oil tankers

French foreign ministry does not provide details about releases; a number of Europeans remain behind bars

Both countries ignore tacit agreement among European capitals not to attend high-profile public ceremonies amid Tehran's brutal repression of months-long popular uprising

Tehran threatens 'sanctions against human rights violators and promoters of terrorism in the European Union and England' after restrictions in response to protest crackdown

Foreign minister says Tehran working to put elements of European armies on its own terror list, while parliament speaker vows immediate 'decisive action' in relation

Foreign Minister Amir-Abdollahian calls European bloc's policy chief Borrel, tells him resolution urging Guards be added to roster is 'emotional, harsh and unprofessional'

EU foreign policy chief Josep Borrell says meeting with Tehran's foreign minister was 'necessary... amidst deteriorating Iran-EU relations'