
John Callaghan
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Justice John Callaghan is an Ontario Superior Court judge known for his rulings on significant legal matters, including constitutional challenges. Recently, he issued a temporary injunction blocking the closure of supervised drug-use sites in Ontario, emphasizing the potential harm to vulnerable populations if these sites were closed.
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Recent news mentions
Justice John Callaghan is overseeing the legal challenge of the province’s ban on supervised drug-use sites.
Ontario judge seeking clarity on facts in supervised drug-use site legal challengeThe Globe and Mail·
Canada· 2025-04-07
Also mentioned
Sylvia Jones

Justice John Callaghan granted an injunction to allow the drug sites to stay open while he considers a Charter challenge.
Ontario judge temporarily blocks shutdown of 10 drug-use sitesThe Globe and Mail·
Canada· 2025-03-28



