Three police officers are confirmed dead and three others are wounded after a shooting in Baton Rouge, Louisiana, a sheriff's office spokesperson confirmed on Sunday.

The Advocate's Rebekah Allen reports two Baton Rouge officers were killed, and local ABC afiliate WBRZ reports one East Baton Rouge Sheriff's Office deputy is also dead. Three additional Baton Rouge officers are injured, one critically, according to Our Lady of the Lake Hospital.

A spokesperson for the East Baton Rouge Sheriff's Office said one suspect is dead, but law enforcement believes two others may still be at large.

East Baton Rouge Sheriff's Office spokeswoman Casey Rayborn Hicks said the area is still an active scene.

"This is an unspeakable and unjustified attack on all of us at a time when we need unity and healing" Louisiana governor John Bel Edwards said in a statement. "Rest assured, every resource available to the State of Louisiana will be used to ensure the perpetrators are swiftly brought to justice.

9 WAFB shared cell phone video taken of police officers exchanging gunfire at the scene:

Several journalists, including Advocate photographer Hilary Scheinuk and WBRZ reporter Michael Vinsanau, shared photos from the scene:

There have been protests in Baton Rouge along Airline Highway, where the shooting occurred, since the police shooting of Alton Sterling on July 5.

Sterling was shot and killed during an altercations with police responding to a disturbance call at a convenience story. Cell phone video shot of the incident aired by several news stations shows an officer using a stun gun on Sterling before both another helps him tackle Sterling to the ground.

One officer is then seen in the video pulling a gun from his holster and pointing it at Sterling's chest before three gunshots are heard, followed by a woman screaming and a man asking, "they shot him?"

Several Philadelphia police officers took to social media Sunday morning to offer their condolences:

This is a breaking news report. Check back for updates. The Associated Press contributed to this report.