Arunachal Deputy Speaker Tumke Bagra's son Kajum Bagra was arrested on Tuesday in connection with the murder of Congress leader Kenjum Kamsi.
Kamsi a secretary-rank leader of Arunachal PCC was shot dead by in front of a hotel at Aalo on Sunday at around 10 p.m.
As per reports the incident took place following a scuffle between the two.
The police are further investigating the matter.