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Tear gas and pepper spray are chemical weapons. So, why can police use them?

  • Written by Shireen Daft, Lecturer, Macquarie Law School, Macquarie University
Tear gas and pepper spray are chemical weapons. So, why can police use them?Alex Milan Tracy/Sipa USA

In the ongoing protests over the killing of George Floyd and the broader issue of racial injustice, we have been bombarded with images of demonstrators being hit with tear gas and pepper spray.

In the US state of Ohio, a 22-year-old protester died two days after being exposed to tear gas and pepper spray. Police also used...

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