Dhaka, July 1 -- A Danish national suspected of gathering intelligence on Jewish individuals and locations in Berlin on behalf of Iranian authorities has been arrested in Denmark, German prosecutors said Tuesday.

The suspect, identified only as Ali S. in accordance with German privacy laws, was detained last Thursday in the Danish city of Aarhus, according to a statement from federal prosecutors.

He is accused of working for an Iranian intelligence agency, which allegedly tasked him earlier this year with collecting information on "Jewish sites and specific Jewish individuals" in Berlin. Prosecutors say he conducted surveillance on three properties in June, which they believe may have been part of preparations for additional intelligenc...