1. Goa Police questioned nightclub co-owners Gaurav and Saurabh Luthra after bringing them to the State in connection with the December 6 fire that killed 25 people.
2. The brothers were deported from Thailand, arrested in Delhi, and brought to Goa on transit remand to probe alleged safety and management lapses at the club.
3. Multiple arrests have been made so far, with police investigating fire safety violations and fixing responsibility for the deadly blaze.