The National Investigation Agency (NIA) has taken over the investigation into an alleged ricin poison terror plot from the Gujarat Anti-Terrorist Squad (ATS). The ATS had arrested three individuals, including a Hyderabad-based doctor, for allegedly preparing ricin from castor beans and procuring weapons. The accused are booked under the Unlawful Activities (Prevention) Act (UAPA) and other relevant laws. The plot reportedly involved a handler from Afghanistan linked to ISKP, with alleged contacts in Pakistan.