TRINITY COUNTY, Texas (KTRK) -- The Trinity County Sheriff's Office confirmed that at least three men died after coming into contact with a toxic gas while conducting repairs in the area on Wednesday evening.

The incident happened near the Westwood Shores area at around 3 p.m.

Officials said that one of the men went down a manhole to prevent sewage from backing up into their work area, before the other two followed. The sheriff's office stated that the latter died as heroes.

"I think these are all heroes, trying to save each other," said Deputy Chief Jeremy Carroll, with the Trinity County Sheriff's office.

Shortly after, officials said the effort to retrieve turned into a recovery effort.

First responders at the scene said they found hydrogen sulfide gas inside where the men were. A

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