Several people are feared dead after a large rock collapse at a stone quarry in Odisha's Dhenkanal district on Saturday evening. The incident occurred during drilling and exploration work, possibly following an explosion. Rescue operations involving fire services, ODRAF, and dog squads are underway. The exact number of trapped workers and the cause of the collapse remain unclear. Leader of Opposition Naveen Patnaik expressed condolences and called for an investigation into safety measures and expedited rescue efforts.