Iran seeking to expand attacks in UK to military sites, MI5 chief warns

File photo: UK's RAF Fairford base Iran is seeking to expand its attacks in Britain to include military installations, with the suspected plot against the US-run RAF Fairford air base in September being “not unique”, MI5 chief Ken McCallum said on Tuesday.Speaking in his annual assessment of threats to the UK, the head of Britain's domestic security service said Tehran was increasingly looking beyond its traditional targets, including Iranians opposed to the country's Islamic authorities, to strike more difficult targets such as military sites.“The RAF Fairford incident ... is not unique. There have been other examples, not just in the UK but around the world,” McCallum said, according to Reuters.The comments came as British detectives continued investigating the suspected plot against RAF Fairford in western England, which has been used by US bombers to carry out strikes on Iran during this year's war.Security alert at RAF FairfordThe suspected plot triggered a major security operation on September 27, when scores of residents were evacuated from their homes near the air base as armed police officers and army bomb-disposal experts moved into the area.Police later said they had fou...