Vahid Abedini, an Iranian professor at the University of Oklahoma, has been released from immigration detainment three days after his arrest at an Oklahoma City airport. Abedini, who was traveling to a conference in Washington, expressed relief at his release and gratitude to colleagues and supporters. The reasons for his arrest remain unclear, but university officials confirmed he was in the United States legally and transitioning between visas. The incident highlights ongoing challenges faced by international scholars in the United States.