New Delhi, May 12 -- The Central Bureau of Investigation (CBI) has assumed charge of the murder case of Chandranath Rath, personal assistant to West Bengal opposition leader Suvendu Adhikari, constituting a seven-member Special Investigation Team to be led by a DIG-rank officer, as three accused arrested from Bihar and Uttar Pradesh were remanded to police custody till May 24.

Chandranath Rath, a former Indian Air Force personnel who served as a close aide to Suvendu Adhikari, was shot dead near Madhyamgram on the night of 6 May.

Rath was subsequently taken to hospital, where he succumbed to his injuries. His killing sent shockwaves through West Bengal's political establishment, given his proximity to one of the state's most prominent o...