Three dead, 18 first responders quarantined after exposure to unknown substance at New Mexico home
Three individuals died and 18 first responders were quarantined after exposure to an unknown substance at a home in Mountainair, New Mexico. The incident occurred during a suspected overdose call, where four people were found unresponsive. Authorities are investigating the substance, which may spread through contact but is not believed to be airborne.
- ▪Three people were pronounced dead at a residence in Mountainair, New Mexico.
- ▪Eighteen first responders experienced symptoms and were quarantined after exposure to the substance.
- ▪Two first responders are reported to be in serious condition and are being monitored at a hospital.
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New Mexico Three dead, 18 first responders quarantined after exposure to unknown substance at New Mexico home Officials say four people were found unresponsive inside the Mountainair residence during a suspected overdose call By Michael Sinkewicz Fox News Published May 20, 2026 7:39pm EDT Facebook Twitter Threads Flipboard Comments Print Email Add Fox News on Google close Video Fox News Flash top headlines for May 20 Fox News Flash top headlines are here. Check out what's clicking on FoxNews.com. NEWYou can now listen to Fox News articles! Three people died and nearly 20 first responders were quarantined Wednesday after exposure to an unidentified substance at a New Mexico home, authorities said.
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