Five persons, including a six-year-old girl, have died and four others injured in a fire that broke out in a slum here, the city police said on Tuesday.The fire broke out in a slum cluster in the Okhla Industrial Area around 10 p.m. on Monday. Nine people were trapped in the blaze, of whom five are dead. When th victims were rushed to the Safdarjung and ESI hospitals, four of them were declared brought dead, and the fifth died during treatment. The others have been admitted to the Intensive Care Units (ICU) of the hospitals.The fire broke out when a gas cylinder leaked in the slum cluster. The cylinder and a gas stove were placed at the only entrance of the cluster since a marriage was to take place in two days, the police said. The fire trapped the residents of the slum, a senior police officer added. Those killed have been identified as Kushi, 6, Sasikanth, 19, Usha, 42, Lalsa and Santra, according to the police.