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 counter-terrorism police have arrested eight men including seven Iranians in two separate operations, officers said, in what the interior minister called some of the biggest investigations of their kind in recent years.