The police on Tuesday completed the investigation into the Santika pub fire case and charged a lead singer from a rock band with negligence resulting in other people's deaths. Saravuth Ariya, lead singer of the band called Burn, is charged with negligence that caused deaths of people at upscale Santika nightclub that went on fire on Jan 1.Deputy police chief Jongrak Jutanont said that Burn music group’s lead singer Saravuth Ariya, aged 28, was a prime suspect for causing the pub fire on New Year's Eve, which left 65 deaths and over 200 injuries.