The sheriff said deputies were en route to a multiple-vehicle crash in the 1600 block of South Main Street in the Highlands area.
Additional emergency personnel were called to try to extricate any trapped people, Gonzalez said. A Life Flight helicopter was also requested.
Deputies shut down northbound traffic amid an investigation.
Gonzalez didn't offer any other information that wasn't in a tweet posted at 6:32 p.m.
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