Iran's intelligence minister said Thursday some of the perpetrators of the recent terrorist attacks which killed an Iranian academic and injured another have been arrested, local satellite Press TV reported.

"With the arrest of these people, we have found new clues to arrest other elements," Heidar Moslehi was quoted as saying.

"The three spy agencies of Mossad, CIA and MI6 played a role in these attacks," Moslehi said without identifying the arrested people and without referring to the time of arrest.