As confirmed by the Oakland Police Department, a Federal Protective Service officer has been shot and killed amid Friday night's protests in California.

Another Federal Protective Service officer was also shot. Their current condition is unknown.

In a statement to CNN, the Oakland Police Department said:

"Two Federal Protective Services officers stationed at the Oakland Down Town Federal Building suffered gunshot wounds. Unfortunately, one succumbed to his injury."

The department added that they are investigating the shootings.

CNN states that at least 7,500 protesters took to the streets of the city to demonstrate over the death of 46-year-old George Floyd.

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Protesters caused widespread damage across the city - with reports of vandalism, looting, arson, and assaults on police officers, all being reported in a police statement.

The shooting of the two officers came just hours after Derek Chauvin, the fired police officer recorded kneeling on Floyd's neck, had been detained and charged with third-degree murder and manslaughter.

More on Chauvin's arrest below:

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The 19-year veteran was arrested by the state's bureau of criminal apprehension.

Hennepin County attorney Mike Freeman revealed in a statement: "We are in the process of continuing to review the evidence. There may be additional charges later."

Chauvin's wife has also filed for divorce, her attorney has confirmed.

Under Minnesota law, a first-degree murder charge would require prosecutors to prove Chauvin’s actions were willful and premeditated.

After locating Floyd in his car, the two officers said he "physically resisted" arrested.

A Minneapolis police spokesman said in a news briefing early on Tuesday: "Officers were able to get the suspect into handcuffs and realized that the suspect was suffering medical distress. Officers called for an ambulance. He was transported to Hennepin County Medical Center where he died a short time later."

However, video footage of the arrest that was captured by a bystander caused uproar across the nation, as it showed Chauvin kneeling on Floyd's neck until he became motionless.

The woman who captured the footage, Darnella Frazier, wrote on Facebook: "They killed him right in front of cup foods over south on 38th and Chicago!! No type of sympathy #POLICEBRUTALITY."

*We will not be sharing the video, but it can be found on Miss Frazier's Facebook page HERE*

The footage shows Floyd being restrained on the ground and handcuffed, as the white officer presses his knee onto his neck.

Floyd can be heard crying out: "Please, I can't breathe." But despite Floyd's pleads, Chauvin did not move. Another officer can be seen watching on without intervening.

As he continues, a passerby screams, "That's bulls**t, bro. You're stopping his breathing right there, bro. Get him off the ground, bro," adding that the officer was "enjoying it".

Floyd then becomes motionless.

After several minutes, paramedics arrived on the scene, but George Floyd was sadly pronounced dead later that day.

Yesterday, riots ensued across the country - in Minnesota, Louisville, New York, and Denver.

In Louisville, Kentucky, seven rioters were shot - with Louisville Metro Police confirming in a statement that at least one of those victims is in a critical condition.

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President Trump tweeted last night that "when the looting starts, the shooting starts", writing:

"I can’t stand back & watch this happen to a great American City, Minneapolis. A total lack of leadership. Either the very weak Radical Left Mayor, Jacob Frey, get his act together and bring the City under control, or I will send in the National Guard & get the job done right

"These THUGS are dishonoring the memory of George Floyd, and I won’t let that happen. Just spoke to Governor Tim Walz and told him that the Military is with him all the way. Any difficulty and we will assume control but, when the looting starts, the shooting starts. Thank you!"

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Trump later confirmed that the National Guard had been deployed to Minnesota. He added that Floyd will not have died in vain and asked that people "respect his memory".

Federal Protective Service officer shot and killed in Oakland