UPDATE 9:24 a.m. ET:
DALLAS (TheBlaze/AP) — Contrary to earlier reports, Dallas Police Chief David Brown said Friday morning the police ambush suspect in the overnight standoff in a parking garage was killed when police detonated an explosive device using a bomb robot.
Authorities are still not certain they have identified everyone involved in the attack on a downtown protest march that killed five police officers and wounded seven other officers and two civilians.
Brown said the suspect killed in the standoff said he was upset over the recent police shootings of black men and wanted to kill white people.
UPDATE 8:11 a.m. ET:
DALLAS (TheBlaze/AP) - Dallas Mayor Mike Rawlings said 12 officers, not 11, were shot during the downtown protest march that took the lives of five officers. Two civilians were also shot, he said.
UPDATE 7:47 a.m. ET:
Law enforcement officials said three suspects in the deadly ambush against Dallas police are in custody, two men and one woman, KTVT-TV reported, adding that their names haven't been released. A fourth suspect was found dead of a self-inflicted gunshot wound earlier this morning after a standoff with police, the station said.
UPDATE 7:10 a.m. ET:
The shooting suspect who was engaged in a standoff with Dallas police died of a self-inflicted gunshot wound about 2:50 a.m. Friday, KTVT-TV reported. Another suspect, reportedly an unidentified woman, was in custody, the station said.
WFAA-TV made a similar report, citing police sources.
Dallas police say no explosives have been found in extensive sweeps of downtown areas, the Associated Press reported. Security was tight Friday morning with numerous streets closed to vehicle traffic in the main downtown Dallas business district hours after Thursday night's attacks, the AP added, which claimed the lives of five police officers and injured six others.
UPDATE 5:30 a.m. ET:
Shortly after 5 a.m. ET, President Obama addressed the deadly ambush of Dallas police officers from a NATO meeting in Warsaw, Poland.
UPDATE 2:50 a.m. ET:
In the early morning hours, the Dallas Police Association announced that a fifth officer died in the wake of the Dallas shooting.
We just lost another. Officer Down— Dallas Police Assoc FOP #716 (@Dallas Police Assoc FOP #716)1467960154.0
UPDATE 1:42 a.m. ET
Dallas Police Chief David Brown said officers are in the middle of negotiations with a suspect inside a parking garage following a shooting that left four officers dead and several others injured. He said the gunman exchanged fire with police.
The suspect told officers the "end is coming," threatened to "hurt and kill" more officers and claimed there were "bombs" planted throughout downtown Dallas.
Dallas police also said they are questioning two occupants of a Mercedes that sped off after an officer saw someone throw a camouflage bag into the back.
It is believed there were at least two snipers involved in the shooting, but Brown said he still isn't confident that all suspects are in custody.
UPDATE 12:35 a.m. ET
The suspect in the shootout with the Dallas SWAT team has been taken into custody. A "suspicious package" was found nearby by the Dallas Police Department. The package is being investigated by the department's bomb squad.
Update: https://t.co/qBJe3q0EtN— Dallas Police Dept (@Dallas Police Dept)1467952068.0
Eleven officers were shot in the Dallas shooting and four have died.
UPDATE 12:20 a.m. ET
A fourth officer has died in the shooting in Dallas Thursday night, according to the Dallas Police Department.
With heavy hearts, we are devastated to report a fourth officer has been killed.— Dallas Police Dept (@Dallas Police Dept)1467951198.0
No suspects are in custody yet, but officers have identified one suspect they are seeking.
UPDATE 12:00 a.m. ET
Dallas Police Department Chief David Brown said 11 officers were shot Thursday night. Three have died.
It is believed there were at least two snipers involved in the shooting.
UPDATE 11:42 p.m. ET
Two snipers opened fire Thursday night in Dallas, shooting ten police officers during protest marches. Three officers have died, two are in surgery and three are in critical condition, according to Dallas Police Department Chief David Brown.
Two of those officers were from the Dallas Police Department and one was from the Dallas Area Rapid Transit authority.
Four DART police officers were shot in downtown Dallas. 1 deceased, others not life-threatening. No IDs yet. Updates via twitter.— dartmedia (@dartmedia)1467948206.0
No suspects have been apprehended yet.
Original story below:
Two officers were reportedly shot Thursday night in Dallas during protest marches in the wake of the police-related shootings in Louisiana and Minnesota.
#BREAKING: Our cameras captured several shots ring out during a protest in Downtown Dallas https://t.co/OWOBOOI8Jg— FOX 4 NEWS (@FOX 4 NEWS)1467943816.0
As the shots rang out, activists could be seen running away from the area. Police were hunkered down behind their cruisers, reportedly aiming firearms toward a Bank of America building.
"This just came out of nowhere," one eye-witness, identified only as Corey, told KTVT-TV, a local station. "I'm still shocked and startled. ... It was complete pandemonium."
Another man posted live video of what appeared to be a shootout on Facebook (Warning: Strong content)
Texas Lt. Gov. Dan Patrick took to Twitter late in the evening to offer condolences to those shot during the demonstrations.
Our thoughts and prayers are with the police officers who were shot in #Dallas tonight. Awaiting further details.— Dan Patrick (@Dan Patrick)1467946005.0
It wasn't immediately clear if the shooting was connected to the protest.
Officers have urged bystanders, protesters and reporters to vacate the scene. The conditions of the officers is unknown.
This story is developing and will be updated.