UK arrests four men on suspicion of Iranian spying of Jewish sites

British police arrested four men on Friday on suspicion of spying for Iran following an investigation into their suspected surveillance of London’s Jewish community.

Detectives said one of the men was Iranian, while three had dual British-Iranian nationality, and they had been taken into custody after being arrested in Barnet, north London, and in Watford, a town 15 miles (24 km) north of London.

The arrests were part of a “long-running investigation”, police said, suggesting...