The chemical was detected in both the victims’ body samples and the watermelon consumed that night, changing the direction of the police investigation.
The victims were identified as Abdul Dokadia, 44, his wife Nasreen, 35, and their two daughters, Ayesha, 16, and Zaineb, 13. The family lived in Mumbai’s Pydhonie area.
According to police, the family had hosted relatives at their home on April 25 for a late-night gathering. Everyone ate chicken biryani during dinner. Later, at around 1 am, after the guests had left, the family ate watermelon.
Within a few hours, all four began suffering from severe vomiting and diarrhoea, with symptoms first appearing similar to food poisoning.
A doctor was called to their home and prescribed medicines. However, their condition quickly worsened, and they were taken to hospital. One daughter was declared dead before admission, while the other three died during treatment at JJ Hospital.
Police later collected samples of food items from the house, including biryani, watermelon and water, and sent them for testing. Body samples were also examined as part of the investigation.
Relatives who attended the family gathering told police they had also eaten the biryani but did not fall sick. This raised suspicion about the watermelon consumed later by the family.
The latest forensic report has now confirmed the presence of rat poison chemical in the watermelon, shifting the probe away from suspected food poisoning.
Officials said there is no strong evidence so far to suggest intentional consumption. Investigators are now focused on finding out how the toxic substance entered the food.
Police have recorded statements from family members, neighbours and other witnesses, while the investigation continues.
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