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THE BRONX — With police under fire lately, the NYPD commissioner reminded officers that there are two sides to every story, including the incident where cops used a stun gun on a 16-year-old boy in the Bronx.

New video appeared to show Jahmel Leach run in the middle of the East Fordham Road in the Bronx near a pile of debris on June 1 during a night filled with looting and riots in the Fordham neighborhood amid continued unrest nationwide.

Moments later, police arrived. As Leach appeared to run off, police used a stun gun on the teen, causing him to fall face first on the pavement before officers rushed over.

The NYPD alleged the boy was arrested on Fordham Road after he was seen running in and out of a looted T-Mobile store and attempting to set a pile of trash on fire, police sources said.

He was charged with arson.

Images showed severe injuries to Leach’s face. His mother, impassioned and in tears, demanded justice Thursday for her son.

Police used a stun gun on the teen three times on June 1 as they took Leach into custody, the family said. Now the teen is in danger of “losing all of his teeth.”

“I’m not speaking just for my son, I’m speaking for every youth in America,” mom Daisy Acevedo said. “This has to stop. I demand justice and I won’t stop until I get it. I will go to my grave until I get it.”

The NYPD confirmed to PIX11 that the matter is “under internal review.”

The Bronx District Attorney’s Office is also reviewing the arrest.

Leach’s family said the teen was not involved in any acts of violence. The family’s lawyer, who’s known the family for a while, said they’re hard working, peaceful and upstanding members of the community.

Mayor Bill de Blasio called the incident “troubling” and said he would get answers.

As calls for justice continue across the country, many police are facing allegations of brutality, including the NYPD.

In a Facebook video, Police Commissioner Dermot Shea addressed his 36,000 uniformed officers about the unrest aimed at them.

“How could people feel this way? How could they feel that the police are there harming them? They do feel that way, and

Shea also acknowledged the fact that the department has been under fire despite the agency leading the way on police reforms for the past six years.

“I’m not going to allow people in this noble, noble profession to stain that shield on your chest. It’s too important to me.”

At least four officers are allegedly facing discipline for questionable tactics.

Gov. Andrew Cuomo is expected to sign a police reform package that was passed by the NY Senate and Assembly, which includes the repeal of the 50-a law and a chokehold ban.