Four workers died after inhaling toxic gas while cleaning a food waste chamber at a private hotel in Madhya Pradesh's Ujjain late on Saturday night. Two others, who were involved in the rescue operation, also fell ill after being exposed to the toxic gas and were rushed to hospital.
The incident took place at Shri Ganga Hotel, where workers had entered an underground food waste chamber to clean it. The police and district administration rushed to the spot after receiving information about the accident and launched a rescue operation.