FRESNO, Calif. (KFSN) -- On Thursday, emergency crews responded to a hazardous material situation at the Fresno Yosemite International Airport.
Around 11:45 a.m., two Horizon Airline employees came into contact with an unknown powdery substance at the airline ticket counter. A spokesperson for the airport said when workers became sick the Fresno Fire Department came out to investigate.
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Crews determined the unknown substance was not hazardous.
The airport remained open during the incident and no flights were impacted.
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It is still not known what caused the workers to get sick.