The death toll in Pakistan's oil tanker inferno rose to 198 today as four more persons, injured in the country's one of the worst fire accidents, succumbed. An official said the four victims died during the last 24 hours. <br/><br/>The death toll may go up further as most of the injured have 60 to 100 per cent burns, the official said.<br/><br/>At least 120 people including women and children were killed on the spot and 140 injured last week, a day before Eid, when they rushed to collect leaking fuel from the crashed oil tanker in Bahawalpur, some 400 kilometres from Lahore.<br/><br/>The tanker caught fire after the explosion and some 50,000 litres of petrol spilled from the vehicle.<br/>''''''<br/><br/><br/>