The Arizona man arrested this month for allegedly planning a terror-related strike was attacked in jail, authorities confirmed to NBC News. Mahin Khan, 18, of Tucson was assaulted by other inmates in a Maricopa County jail on July 2, the day after his arrest, the Maricopa County Sheriff's Department said. Khan suffered "some minor non-life-threatening injuries" and has been moved to segregated housing in Lower Buckeye Jail, authorities said. Khan declined to be placed in segregation when it was offered, the sheriff's office said.