A mixed martial arts fighter sprang into action to subdue a homeless man that was allegedly attacking people in the heart of Manhattan’s Soho shopping district.

Ro Malabanan, who has a black belt in Brazilian jiu-jitsu and a yellow belt in judo, was walking to his boxing instructor job last Wednesday morning when he saw Samuel Frazier sucker punch a construction worker, the fighter told The Post.

Malabanan, 44 checked in with the victim before running after the suspect and taking him down from behind, the good Samaritan explained to his Instagram followers.

“My jiu-jitsu instincts just kicked in. I jumped on his back,” Malabanan said. “He tried to swing me off then — but for those of you in the know — a seatbelt position dragged him down to the floor, and I immediately took his back and pinned him to the ground.”

Other alleged victims of Frazier, 28, gathered as Malabanan pinned the accused perp to the sidewalk in front of the Converse flagship store on Broadway, according to third-party footage shared by the fighter.

Malabanan put the man into a lock on the street.
Ro Malabanan subdued a homeless man who was allegedly assaulting people.
rotheshow/Instagram

“Out of nowhere people were like ‘yeah this guy punched me in the face,’ ‘yeah this guy hit me,’ ‘this guy hit an old guy,’ ” Malabanan said.

Some of the irate victims then began trying to attack the neutralized suspect, but Malabanan asked them to stop and call the cops instead, according to his narrative.

An initial police investigation revealed that Frazier delivered an “unprovoked” attack to the heads of a 50-year-old man and a 17-year-old boy, according to the NYPD.

He was charged with two counts of assault, according to police, who noted that Frazier did not have a home address.

An investigation found that the attacked were unprovoked.
Samuel Frazier allegedly attacked the heads of a 50-year-old man and a 17-year-old boy, according to the NYPD.
rotheshow/Instagram

Malabanan, who said he was not interviewed by police because he was late for work, said he believed at least six people were attacked by the unapologetic suspect, who was “playing the victim,” the fighter explained over the phone.

“They were walking into me,” Frazier was filmed explaining to Malabanan as he pleaded for mercy on the ground.

“Nah that’s bulls–t bro, you still don’t punch people in the face for no f—ing reason,” the fighter retorted as tourists standing outside the Museum of Ice Cream looked on.

Malabanan was praised by onlookers.
Officers eventually came and handcuffed Frazier.
rotheshow/Instagram

Two officers eventually arrived and handcuffed the suspect as onlookers shook hands with Malabanan, the footage showed.

Malabanan has lived in New York City since immigrating from The Philippines at the age of 9. He told The Post he has often been harassed over his Asian heritage but was always been able to deescalate the situation without fighting.

His professional fighting career has been sidelined due to concussions.

Now a martial arts and boxing instructor and aspiring actor, Malabanan said helps other New Yorkers stand up to bullies by teaching them how to fight and defend themselves.

“Just another day,” he said. “A lot of crazies out there in the streets right now so just please be careful. They will sucker punch you. They will take out their frustrations.”

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