Three Harris County sheriff’s deputies were injured and a woman was killed in a shooting early Sunday morning outside a nightclub in Houston, authorities said.

The shooting unfolded around 2:20 a.m. at Houston’s Set Nightclub. Officials said the three deputies were working additional jobs when they were shot.

Authorities gave a press conference early Sunday morning outside Ben Taub General Hospital.

Authorities gave a press conference early Sunday morning outside Ben Taub General Hospital. (HCSO)

The deputies – two males and one female – were responding to a fight that broke out in the parking lot after the nightclub closed. As they attempted to break up the fight, a suspect fired a gun into the crowd, injuring the three deputies and one civilian.  

The civilian, later identified as a Hispanic woman around 40 years old, was taken to a local hospital, where she was pronounced dead.

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Of the three deputies, one was shot in the foot, one was shot in the hand and legs, and the third was shot in the abdomen. One deputy underwent surgery at Ben Taub Hospital, while the other two were treated at Memorial Hermann Hospital. The sheriff’s office said Sunday that one of the deputies, a male in his 40s, has been discharged from the hospital to continue his recovery at home.

"It looks like all three (deputies) are going to pull out but, a very scary moment, you know, at the heels of what we went through last night, but hopefully they’re able to make a full recovery," Harris County Sheriff Ed Gonzalez told reporters early Sunday.  

Gonzalez was referring to the death Saturday of a sergeant, Bruce Watson, with the Harris County Sheriff's Office who was fatally struck by a motorist as he was driving his patrol motorcycle to serve as an escort during a funeral. 

The nightclub shooting suspect , whom officials described as a male in his 20s, was treated for a gunshot wound at Sugar Land hospital and taken into custody.

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It remained unclear what led him to fire into the crowd. Executive Assistant Police Chief Troy Finner said the investigation is "at the preliminary point."