London, Rabi'II 13, 1439, Dec 31, 2017, SPA -- British Secretary of State for Foreign and Commonwealth Affairs Boris Johnson expressed his country's concern over events in Iran. According to his official Twitter account, Johnson said: "We are watching events in Iran with concern. It is vital that Iranian citizens should have the right to demonstrate peacefully". --SPA 17:24 LOCAL TIME 14:24 GMT www.spa.gov.sa/w577489