In a suspected gas leak incident, more than 25 students and two teachers of a Government Higher Secondary School in an industrial area near here were hospitalised after they complained of suffocation and headache.
Around 28 students and teachers were admitted to hospitals in Thrippunithura and Ernakulam, police said.
School authorities said some foul smell started emanating in the school premises in the morning and it got worse at around 9.30 AM.
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Police said the state pollution control board has initiated a probe as the incident occurred in the area where many companies, including the Bharat Petroleum Corporation Ltd (BPCL) and fertiliser PSU FACT, are located.
A BPCL spokesman denied any gas leak from its refinery.
District authorities have declared a two-day holiday for the school.
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