New Delhi: A fire in a transformer in Delhi’s Bijwasan area spread to two shanties nearby, leading to a gas cylinder explosion in which six members of a family, including four minors being killed on Thursday. Officials said they received a call regarding a fire in a transformer at Valmiki Colony at around 12:30 am, following which four fire tenders were rushed to the spot. Later, police received a PCR call regarding a cylinder explosion in Valmiki Colony. According to the officials, the transformer caught fire and flames spread rapidly to two shanties nearby, which led to an LPG cylinder explode. Kamlesh (37), his wife Budhani (32), their two daughters aged 16 and 12, and two sons, 6 years and 3 months, died in the cylinder blast. The fire officials along with police personnel took out the bodies and sent them to Safdarjung Hospital, he said. Police said they have registered a case under relevant sections of the law.