The New York Times:

By Stephen Castle

British counterterrorism officers have arrested eight men, including seven Iranian nationals, in connection with two separate investigations London’s Metropolitan Police said on Sunday.

In one of the cases, four Iranians and another man whose nationality has yet to be determined were detained on Saturday on suspicion of preparing a terrorist act against a single site.

“The investigation relates to a suspected plot to target a specific premises,” the police said in a statement issued early Sunday. The police added that the site was not being named “for operational reasons.”

Dominic Murphy, the head of the Metropolitan Police’s Counter Terrorism Command, said the investigation was “fast-moving” and that police were “working closely with those at the affected site to keep them updated.”

He added: “The investigation is still in its early stages and we are exploring various lines of inquiry to establish any potential motivation as well as to identify whether there may be any further risk to the public linked to this matter.”

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