Popular Assamese television actor Jahnabi Saikia was arrested on 16th May alongwith Pranamoy Rajguru, a self-procÂlaimed member of the pro-talks faction of Ulfa, for planning the grenade blast in Guwahati on 15th. The blast injured 11 persons. Ulfa (Independent) owned up to the attack. Saikia and Rajguru confessed to the crime.