Seeing an “unholy nexus” between politicians, police and bureaucrats behind the assault on two legislators in Nagaon on May 29, a court in Assam Saturday called for a CBI probe into the incident. Prasanta Phukan of the BJP and Mazibur Rahman of the AUDF were allegedly assaulted, and injured, by three persons — Md Nurul Huda, Md Manik Ali and Md Saiful Islam, all Congress members of zilla parishads in Nagaon