The European Union foreign policy chief Frederica Mogherini arrives to take part in a meeting of the bloc's foreign ministers at the EU headquarters in Brussels on May 28, 2018. John Thys / AFP
The European Union foreign policy chief Frederica Mogherini arrives to take part in a meeting of the bloc's foreign ministers at the EU headquarters in Brussels on May 28, 2018. John Thys / AFP
EU focused on preserving Iran nuclear deal and economic ties
Foreign policy chief says members seek to protect companies that have invested in Iran since 2015 agreement