On Friday night, the health department received information that three children aged 9-14 years were being treated for diarrhoea and another student was admitted the next day with the same illness.
Suspicion was raised about water contamination at a private bottling plant in Denkanikottai, which supplied water to the madrasa and the two deceased.
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Airline staff were praised after they hastily cleaned the aisle by replacing the carpets entirely, with some claiming the second flight had 'no smell' despite the grim accident.
The Health department has swung into action and deployed a specialised medical team from Bhima Bhoi Medical College and Hospital (BBMCH) to Sindhekela to tackle the crisis.
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It is being suspected that contaminated water consumption might have led to the spread of diarrhoea.