Seven Iranian nationals are among eight men arrested in two major counter-terrorism investigations that took place separately on Saturday. Five of the arrests were part of a "pre-planned" investigation into an alleged plot to "target a specific premises", the Metropolitan Police said.

Eight arrested in two counter-terrorism operations involving Iranian nationals - The Home Secretary said they reflect the biggest counter state threat and counter terrorism operations in recent years.

British authorities say 8 men, at least 7 of them Iranian, have been arrested in London and 2 other areas over a specific attack plot and a separate security threat.