TRINITY COUNTY, Texas (KTRE) - The names of three men who died after toxic hydrogen sulfide gas was detected at a work site in Trinity County have been released.

Law enforcement from several agencies responded to Trinity County Wednesday night in connection with the toxic gas, and three people were found unconscious.

John Nelson Sr., 52, of Cleveland; Bradley Wrightsman, 46, of Katy; and Brad Hutton, 47, of Willis, were later confirmed dead after being recovered from a manhole.

Chief Deputy Jeremy Carroll released their names on Thursday.

Related:

New timeline reveals how 3 workers died from toxic gas in Trinity County

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