22 children unconscious during birthday celebration of teacher in south Delhi school

As many as 22 children fell unconscious during the birthday celebration of a teacher in a south Delhi school on Wednesday, police said.

The unconscious students of the government-run school in Mehrauli were rushed to Safdarjung Hospital where they have been kept under observation, they said.

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"Information was received that some school students became unconscious and they were rushed to the hospital. Police officials have reached Safdarjung Hospital where the students were under treatment," a police officer said.

Initial investigation has revealed that the incident happened after a pepper spray went off after it was mistaken for a deodorant, the officer said, adding further probe was underway.