THREE PEOPLE ARE UNDER ARREST -- FOR THEIR ALLEGED ROLE IN THIS VIDEOTAPED ATTACK.

OFFICIALS SAID A 21-YEAR-OLD MAN WAS FORCED TO STRIP NAKED... BEFORE HE WAS WHIPPED WITH A BELT.

THE VIDEO PROVIDED TO THE A-P WAS ALREADY BLURRED.

SOUNDBITE: Mayor Cory Booker/Newark New Jersey

"He was dosed with water, and viciously beaten by another man."

OFFICIALS SAID THE BEATING HAPPENED BECAUSE THE MAN'S FATHER ALLEGEDLY OWED SOMEONE TWENTY-BUCKS.

SOUNDBITE: Mayor Cory Booker/Newark New Jersey

"These were people acting out in way that was much more motivated by hatred, much more motivated a callous disregard for moral values."

OFFICIALS AID THE VICTIM SUSTAINED WELTS AND ABRASIONS DURING THE ATTACK LAST AUGUST.

SOUNDBITE: Mayor Cory Booker/Newark New Jersey

"We do not tolerate this level of cruelty, of callous disregard for the dignity of humanity."

THE THREE MEN WHO WERE ARRESTED WERE CHARGED WITH ROBBERY AND AGGRAVATED ASSAULT.

AUTHORITIES SAID THE MEN ALL HAVE GANG AFFILIATIONS AND CRIMINAL HISTORIES.

SOUNDBITE: Mayor Cory Booker/Newark New Jersey

"I understand what their reputations were, but that still is not (slams fist on podium causing a buzz in audio) an excuse to remain silent."

POLICE BEGAN INVESTIGATING AFTER THE TWO-AND-A-HALF MINUTE VIDEO WAS RECENTLY POSTED ONLINE.

IT'S SINCE BEEN REMOVED FROM YOUTUBE.

ROSS SIMPSON/ASSOCIATED PRESS

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