EU countries will impose sanctions on 30 Russian officials over the death of leading Kremlin critic Alexei Navalny, according to the bloc’s foreign policy chief. “We agreed to sanctions on those responsible for the murder of Alexei Navalny,” Josep Borrell said after a meeting of EU foreign ministers. Navalny, Russia’s most prominent opposition leader, died in an Arctic prison in February where he was being held in harsh conditions. Officials have said the European Union would follow the United States and Britain in imposing travel bans and asset freezes on prison officials responsible for Nava…