Three more persons suspected to be involved in the murder of artist Bhakthavalsalan have been arrested by the Town police. N.P. Sreejith, 38, N.P. Sudeep, 37, and P.P. Venkidadas, 34, who were detained by the police, were remanded in judicial custody for 14 days on Saturday. K.V. Jagadeesh and Ropesh, the first and second accused in the case were arrested earlier. It was on April 29 that the artist, who was staying in a lodge, was attacked by the gang. They allegedly tied petrol bottles to his body and burnt him alive.