A New York Black Lives Matter (BLM) protest has come under attack by a man wearing "wolverine claws" to threaten demonstrators.
African-American man George Floyd died last week in the US after a police officer, Derek Chauvin, kneeled on his neck for nearly nine minutes.
Floyd's death has sparked protests throughout the US and the world under the BLM movement - one of which was taking place in Queens, New York on Wednesday (NZ time).
But one unnamed man is seen in videos posted to social media attending the protest carrying knives attached to his hand, in what looked like "wolverine claws".
The man, who has not been arrested, then went on to try and "stab" protesters, according to a witness.
"A 23-year-old male reported to police that an unidentified individual exited a vehicle with a sharp object and displayed it to a crowd that was peacefully protesting and fled in a vehicle described as a grey SUV mercury," police said in a statement to the New York Post.
Police said no one was injured in the incident and an investigation is underway.
One Instagram user who shared a video of the incident claims the man also tried to run over protesters.
"PEOPLE ARE LITERALLY CRAZY, THEY DON'T EVEN THINK TWICE," the user wrote, adding the protesters were demonstrating for "what's right".
"I'M SICK AND TIRED OF THIS!"
The video has been viewed nearly 100,000 times with many calling for the alleged offender to be arrested.
"He came at them with some homemade knife contraption. Clearly out to hurt people," one commenter said.
"The mere thought that someone is so full of hatred that they would try to pull this off is mind-boggling," another wrote.
