By Bradford Betz | Fox News

A gunman was not expected to survive a self-inflicted shot to the head after he allegedly fatally shot two security guards in a Las Vegas hotel room Saturday morning.

The suspect, identified as Christopher Olague, 29, was being treated in a hospital Saturday evening, police said.

"I want you to know right now that this has nothing to do with terrorism," Capt. Robert Plummer of the Las Vegas Metropolitan Police Department told reporters near the shooting scene, in a city still reeling from an Oct. 1 massacre in which 58 people were killed.

Police said the uniformed security guards killed Saturday were a man and a woman in their 40s and that one was armed. Their identities and causes of death will be released by the Clark County Coroner's Office.

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The gunman's motive wasn't known but investigators believe it was an isolated incident.

On Saturday, a woman staying at Arizona Charlie’s Decatur hotel and casino called security to her room before 6:35 a.m., claiming that two men whom she’d invited into the room had forced her out, the Las Vegas Review-Journal reported.

When the two security guards arrived, they found only one of the two men inside.

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According to witness statements and a surveillance video, the man – later identified as Olague – let the guards into the room, where an argument ensued, followed by gunshots. Police said the woman did not use her gun.

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