Bathinda, June 1 -- The Muktsar police on Saturday arrested two more persons in connection with the illegal firecracker unit explosion in Fatuhiwala village that claimed the lives of five migrant workers and left 28 others injured early on Friday morning.

Senior superintendent of police (SSP) Akhil Chaudhary confirmed the arrests of Navraj Singh, a resident of Singhewala village, and Raj Kumar, a labour contractor from Hathras, Uttar Pradesh. The two have been booked for allegedly violating safety norms and operating an unlicenced firecracker manufacturing unit that led to the deadly mishap.

"Navraj is the son of Tarsem Singh, who was arrested on Friday. Both are co-owners of the unit. Preliminary investigation reveals that Navraj had a...