Goiânia accident
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The Goiânia accident was a radioactive contamination accident that occurred on September 13, 1987, in Goiânia, Goiás, Brazil, after an unsecured radiotherapy source was stolen from an abandoned hospital site in the city. It was subsequently... Wikipedia
Date: September 13, 1987
Location: Goiânia
Cause: Radiation source left unsecured by authorities
Deaths: 4
Non-fatal injuries: 249 contaminated
Outcome: INES Level 5 (accident with wider consequences)