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(Warning: The audio may be graphic to some viewers.)

The disturbing 911 call made from the scene of a terrifying machete attack in Columbus, Ohio has just been released.

Dramatic audio reported on Fox and Friends Weekend shows a female witness crying for help as several people were stabbed at a local Israeli restaurant on Thursday night.

“Nobody knows who he is. He just came in and started stabbing people,” the woman tells authorities, identifying the business as the Nazareth Restaurant and Deli.

Moments later, we hear her tearful screams. "Oh my God, oh my God, oh my God!"

“He’s come back?” the dispatcher is heard asking.

“We need an ambulance here now!” she wails. “You need one here now!”

The attacker ended up wounding four people before being killed by police in a shootout a few miles away.

The suspect has since been identified as 30-year-old Mohammad Barry. Reports say he had previously been flagged by law enforcement as a potential terrorism suspect.

Sources also say that the FBI is now investigating Barry as a potential lone wolf attacker.

FoxNews.com reports:

“FBI investigators have not yet found any evidence to suggest the attack was directed by Islamic State or any other foreign terror organization, but federal authorities are still running down the possibility that Mohammad Barry was inspired by terrorist propaganda.”

Read more, here.

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