A Richardson, Texas, police officer has been shot and killed while responding to a call at a North Texas apartment complex. An ambulance transported the wounded officer to a local hospital where he later died from his injury. The gunman is in police custody after a standoff of more than four hours.

The police officer responded to a call for service at an apartment complex in Richardson, Texas — a Dallas area suburban community. Details are unclear at this time, but it appears an unknown gunman shot the officer and one other person, KTXS reported. The ABC affiliate reported the officer received a wound to his neck. The condition of the officer and the other wounded person is not known at this time. The incident began shortly after 7 p.m. (CST).

UPDATE: 11:50 p.m.: Fox4 in Dallas now reports the alleged Richardson cop-killer is now in custody following a series of loud bangs. Blake Hanson reports hearing the suspect yelling unintelligible remarks. No description of the suspect is available at this time.

I can hear the suspect, now in custody, yelling. Unintelligible. — Blake Hanson (@BlakeFox4News) February 8, 2018

Fox 4’s Allison Harris reports that a woman inside the apartment complex where the alleged cop-killer barricaded himself said he yelled repeatedly, “I’m sorry.”

The woman I’ve been talking to who is in the apartment complex says the shooter has been screaming, “I’m sorry” over & over for minutes. Shooter is now in police custody. — Allison Harris (@AllisonFox4News) February 8, 2018

You can hear the shooter wailing & screaming, saying, “I’m sorry,” upon being apprehended by Richardson Police. Video from Brooke Traber inside the apartment complex. pic.twitter.com/49QQNnlAvb — Allison Harris (@AllisonFox4News) February 8, 2018

UPDATE 11:30 p.m.: As the standoff with the alleged cop-killer in Richardson continues, Fox 4’s Blake Hanson reports yet another round of lout bangs.

A third round of loud bangs just started at the scene where a suspect in the death of a Richardson officer remains holed up. — Blake Hanson (@BlakeFox4News) February 8, 2018

UPDATE 11:15 p.m.: CBSDFW reports the officer killed tonight in Richardson is a 27-year-old male. No other information about the officer is being released at this time.

From Fox 4 News anchor Steve Eagar:

Here’s some insight on the murdered Richardson Police officer from a friend who says she traveled with his wife and wrote: “All she talked about was her husband and how he was her best friend. It was her first trip to take without him. My stomach hurts for them.” — Steve Eagar (@steveeagar) February 8, 2018

UPDATE 11:01 p.m.: Richardson police confirm the death of their officer and ask for prayers.

We are confirming that we have lost one of our own. Our officer is deceased. We are not identifying him at this time. We ask for your prayers during this tragedy. Thank you. — Richardson Police (@RichardsonTX_PD) February 8, 2018

Texas Governor Greg Abbott responded to the death of the Richardson police officer:

The hearts and soul of Texas mourn with you. Your loss is a loss to all law enforcement and everyone in our great state. Texas will honor the lost officer with the dignity he deserves. May God rest his soul. And may his legacy live on in others’ service. #txlege #BackTheBlue https://t.co/oEetBYgN6x — Greg Abbott (@GregAbbott_TX) February 8, 2018

UPDATE 11:00 p.m.: Fox4 Blake Hanson reports explosions coming from the scene of the barricaded accused cop-killer.

UPDATE 10:55 p.m.: Tweets from the scene indicate that Richardson police have deployed gas into the apartment where the alleged cop-killer is barricaded.

Richardson Police just deployed gas at the apartment complex. — Allison Harris (@AllisonFox4News) February 8, 2018

UPDATE 10:45 p.m.: Fox 4 News reports the Richardson police officer has died from his wounds.

BREAKING: Richardson PD confirms the officer who was shot has died. https://t.co/ITXONeMDml pic.twitter.com/10KOsRLK4X — FOX 4 NEWS (@FOX4) February 8, 2018

The officer becomes the eleventh officer to die in the line of duty this year, according to the Officer Down Memorial Page. The officer is the seventh to die from gunfire this year.

UPDATE 10:40 p.m.: It appears the shooter remains barricaded at this time. Fox4 reporter Blake Hanson reports from the scene that police are still carrying rifles and taking defensive positions late Wednesday evening.

Just saw an officer run across a parking lot with a long gun, crouching. I’m on a different side than @AllisonFox4News pic.twitter.com/ImkoIDHzyD — Blake Hanson (@BlakeFox4News) February 8, 2018

ORIGINAL STORY FOLLOWS:

Richardson police confirmed that an officer and one civilian had been shot with a Twitter post.

We are working an active shooter scene at apartments, North Star and Renner. Officer shot responding to disturbance. One civilian also shot. EB Renner closed. Avoid area. pic.twitter.com/cu7o2H3QZ4 — Richardson Police (@RichardsonTX_PD) February 8, 2018

Police briefed reporters at approximately 9:30 p.m.:

Fox 4 News in Dallas also reported the officer’s neck wound.

Heavy police presence at Breckinridge Pointe apartments in Richardson near Northstar & Renner. Source says an officer has been shot in the neck. Do not know if the shooter is still active. pic.twitter.com/eLgHZlTuWO — Allison Harris (@AllisonFox4News) February 8, 2018

WFAA reporter Jason Whitely tweeted from the scene that the suspect may be surrounded and that police exchanged gunfire with the alleged shooter.

MORE: @RichardsonTX_PD just closed Renner Rd. DPS helicopter overhead. PD has Bldg 14 at Breckenridge Point Apts surrounded. Barricaded suspect inside exchanged rounds w/ PD. That has stopped. No condition on officer shot. pic.twitter.com/wtMjMOyCnR — Jason Whitely (@JasonWhitely) February 8, 2018

Just spoke with a woman inside the apartment complex who shares what she’s hearing & seeing from police: pic.twitter.com/1OHHptURm4 — Allison Harris (@AllisonFox4News) February 8, 2018

Police spokesman Kevin Perlich told reporters, “We believe we have him pinned down to a particular location,” Perlich said. “However, he is still randomly firing throughout the evening,” the Dallas Morning News reported.

These are the images that are difficult to see. Unfortunately, we see them too often. My heart is heavy for Richardson Police tonight. pic.twitter.com/GiNYErcw9S — Allison Harris (@AllisonFox4News) February 8, 2018

EDITOR’S NOTE: This is a developing story and will be updated as new information becomes available.

Bob Price serves as associate editor and senior political news contributor for Breitbart Texas. He is a founding member of the Breitbart Texas team. Follow him on Twitter @BobPriceBBTX, Gab, and Facebook.