Iranian police have arrested three suspected members of the Islamic State group who were plotting attacks at the end of the Muslim holy month of Ramadan, state media reported Saturday. Those arrested in the city of Karaj in the northwestern province of Alborz included Mohammed Zaker who was identified as “a senior member” of the group, according to the official IRNA news agency. “The police in Alborz province arrested three members of the Islamic State group who were planning a suicide attack during the end of Ramadan celebrations,” IRNA said. It was not immediately clear when the arrests took…