New Delhi, Oct. 28 -- British nationals Mohmed Ahmad Abdulkarim and Nouman Essghir, both aged 24 and from London, were charged under the National Security Act, the Crown Prosecution Service said.

Abdulkarim is charged with assisting Iran's intelligence service and Essghir with entering a prohibited place for a purpose prejudicial to the U.K.

RAF Fairford, in western England, has been used to strike Iran during this year's war. The U.S. pulled its bombers from the base after a major security scare last month when five men were detained near the perimeter of the base late at night.

Britain has linked Tehran to the incident. Prime Minister Andy Burnham said that the apparent plot was "almost certainly" directed by Iran's Revolutionary Gua...