Police officers in Tennessee, Missouri and Georgia were shot Friday only hours after five officers were ambushed and killed in Dallas.

In at least one of the incidents, law enforcement officials say the gunman was motivated by recent police shootings of black men.

“Authorities in Tennessee say a man who opened fire on a highway in Tennessee targeted police officers and others because he was troubled by incidents involving black people and law enforcement officers,” the Associated Press reports.

A press release from the Tennessee Bureau of Investigation says that the suspect, 37-year-old Lakeem Keon Scott, a black male, targeted only white individuals in the attack. A local newspaper carrier lost his life while three others, including the police officer, were injured by the gunfire.

Details behind the other shootings in Missouri and Georgia are unclear at the moment.

According to local reports, the Missouri officer was ambushed and shot in the neck while sitting in his police car by a black male. The suspect was later located and arrested hiding in an area home.

Motive for the ambush attack has not yet been released.

The Georgia officer, who was shot multiple times and hit in the abdomen while investigating a damaged vehicle, is also expected to survive.

Valdosta Police Chief Brian Childress similarly claimed that no motive was known at the time.

“You start to wonder. But any motive of why this happened this morning would be speculation,” he said.

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