Dibrugarh: The death toll from the explosion and subsequent fire at Oil India Limited’s (OIL) Intermediate Tank Farm (ITF) in Tengakhat, Dibrugarh district, has risen to five after another injured worker succumbed to his burn injuries on Tuesday. The latest victim, Kumud Gogoi (39), a resident of Borbeel Dighalia in Tengakhat, died while undergoing treatment.