It happened at Crossroads Accelerated Academy, 4300 Westminster Ave. in West Philly, at around 11:40 a.m. on Wednesday, April 26, city police told Daily Voice.
The school was locked down by police at about 12:15 p.m.
An unknown number of students "orally ingest(ed)" an "unknown substance" and were taken to the Children's Hospital of Philadelphia, the department said. They are in stable condition as of 3 p.m., authorities added.
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