Mohali, June 14: The death toll in blast-cum-fire incident in the factory of pharmaceutical giant Ranbaxy here rose to three with one person succumbing to his injuries today. Surinder Singh, who along with three others had sustained more than 95 per cent injuries in the mishap on Wednesday night, died this afternoon, hospital sources told reporters here. The condition of the other three identified as Rajinder Singh, Shri Bhagwan and Satish is "critical", he added. At least 20 employees were injured in the multiple blast followed by a massive fire in Ranbaxy. Bureau Report