March 6 (UPI) -- Counter-terrorism police in London arrested four Iranian men early Friday on suspicion of conducting surveillance for Iranian intelligence of individuals and locations linked to the Jewish community in the capital.

The suspects, one Iranian and three dual British-Iranian nationals aged between 22 and 55, were detained shortly after 1 a.m. local time in raids on addresses in north London and Watford, just north of the city, under the National Security Act, Metropolitan Police said in a news release.

Searches of at least three addresses in the north London borough of Barnet were still underway, said the Met.

Six other suspects, all males aged between 20 and 49, were arrested at one of the locations raided in London on suspicion of assisting an offender and assaulting police.

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