Eleven people, including two boys aged 10 and 13, died after inhaling toxic gas in the city’s thickly-populated Giaspura area on Sunday, police said. 

Four more people, who were taken ill, were undergoing treatment at a hospital, they said. A team of the National Disaster Response Force (NDRF) is at the scene to ascertain the source of the leakage and the type of the gas, district officials said.