TEHRAN: Iran's intelligence ministry says it is holding more than 15 Iranian and foreign suspects belonging to an Israeli-linked "assassination" network, according to media reports on Tuesday.
It also said it had uncovered a spy base run by Israel's Mossad in an unspecified neighbouring country.
"So far 15 people, holding Iranian birth certificates and foreigners, have been arrested," official outlets quoted the ministry saying in a statement which added details to the arrests already announced earlier this month.
The statement said the group's mission "was to identify and assassinate one of our nation's experts and to bomb some of the nation's installations using professionally made technical tools."
It did not identify the alleged targets.
Iran -- which from time to time announces the arrest of suspected spies working for Israel or the United States without presenting much evidence -- has lost several of its nuclear scientists to assassinations widely blamed on the Jewish state.
The statement added that the intelligence that uncovered the alleged Israeli-linked group led to "reliable information which showed the Zionist regime illegally used diplomatic missions in some Western countries" to support the group's missions. It did not identify the countries.