Three Texas deputy constables shot in an 'ambush attack' Saturday morning that ...

Three Texas deputy constables shot in an 'ambush attack' Saturday morning that ...
Three Texas deputy constables shot in an 'ambush attack' Saturday morning that ...

A Texas cop was shot dead and two other deputies were wounded during an 'ambush attack' outside of a Houston nightclub early Saturday morning, police officials said.

'We believe they were ambushed, shot from behind,' said James Jones, executive assistant chief of the Houston Police Department. 

'This is a terrible time,' Jones added. 

None of the three shot cops were identified as of Saturday afternoon.

The Harris County deputies were working 'police-related extra jobs' as security for the 45 Norte Bar and Lounge in northern Houston, officials said.

Around 2:25 am on Saturday, authorities say the officers were ambushed outside of the nightclub along the North Freeway

Around 2:25 am on Saturday, authorities say the officers were ambushed outside of the nightclub along the North Freeway

The deputies, who work out of Harris County, were working 'police-related extra jobs' as security for the 45 Norte Bar and Lounge in northern Houston

The deputies, who work out of Harris County, were working 'police-related extra jobs' as security for the 45 Norte Bar and Lounge in northern Houston

Pictured: the inside of 45 Norte Bar and Lounge in northern Houston, where the officers were ambushed while checking a disturbance while working security

Pictured: the inside of 45 Norte Bar and Lounge in northern Houston, where the officers were ambushed while checking a disturbance while working security 

The three had gone outside to check on a disturbance around 2:25am when they were shot while trying to detain a suspect along the North Freeway, Jones said.

One deputy was killed at the scene, with a second being shot in the back, requiring emergency surgery early Saturday morning. The third was shot in the foot and was awaiting surgery.

'Turns out it may have been a robbery that they were intervening in,' Jones said,  adding it wasn't clear whether or not they were able to return fire.

The suspect is believed to be a young Hispanic male, officials said. 

At least one 'person of interest' was detained by police at the

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