Four students are under arrest after a school in Perth’s northern suburbs was evacuated when a mysterious gas filled classrooms.
Students and staff were cleared from their lessons at Ellenbrook Secondary College, in Ellenbrook, when the emergency unfolded just after 12.30pm on Thursday.
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Reports to Police, St John WA paramedics and DFES were that people were suffering breathing difficulties and irritated eyes triggered by a “noxious” gas.
“It was later realised that there’s a possibility that the gas may have been a pepper-type spray that may have been deployed by one of the students,” Senior Sergeant John Browne told reporters.
Browne said detectives were still working to determine how the gas was deployed.
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“It’s still very early stages of the investigation. The canister itself hasn’t been located,” he said.
A message to parents alerted them that there had been an incident at the school. Parents were told students and staff were safe.
Authorities combing the school have taken air samples to determine exactly what was deployed.
Police haven’t said which classrooms were impacted.
Two students were taken to hospital for minor injuries. Credit: 7NEWS
Police have four students, all teenagers, under arrest and authorities are speaking with their parents.
“If we’re able to clearly establish who is responsible for this particular incident then most definitely there’ll be charges arising from the investigation,” Browne said.
Two students were taken to hospital with minor injuries.