Kolkata, May 18 -- The Central Bureau of Investigation (CBI), in collaboration with the Muzaffarnagar Police, arrested an accused named Rajkumar on Monday in connection with the murder case of West Bengal CM Suvendu Adhikari's PA, Chandranath Rath.

According to the CBI sources, Rajkumar was arrested in Muzaffarnagar and is the main shooter in the case.

The CBI has obtained a transit remand for the accused and will produce him before the Special CBI Court in Kolkata on Tuesday, the CBI sources said.

Rath, who had worked in the Indian Air Force, was shot dead near Madhyamgram on May 6 late at night. He later succumbed to his injuries in the hospital.

Earlier, CBI registered an FIR to investigate the murder of Chandranath Rath, the PA of...