The National Investigation Agency (NIA) has arrested another key accused who allegedly operated from the United Arab Emirates (UAE) and acted as a link between Germany-based handlers of the proscribed Babbar Khalsa International (BKI) and firearm suppliers and other associates in India in connection with the targeted killing of Vishva Hindu Parishad (VHP) leader Vikas Prabhakar in Punjab's Nangal in 2024.