Amiremad Nayebyazdi, 32, was being held Tuesday in Oklahoma County jail without bail, according to records. A court affidavit said police received a tip Thursday from a longtime friend of Nayebyazdi living in California that the suspect had left a phone message for his sister in Iran saying “hundreds are going to die in Oklahoma City.” In the message, Nayebyazdi said, “Don’t tell mom and dad until after it is seen on the news,” the affidavit said. Nayebyazdi, who has a degree in petroleum engineering and worked for an oil company in Oklahoma City, was spotted at the Oklahoma City...