Big-hearted Cardi B donated $8,000 to a murdered Bronx teen Lesandro (Junior) Guzman-Feliz GoFundMe account.
A gang attacked the 15-year-old in a mistaken identity case and left him for dead.
And the pregnant 'Bodak Yellow' performer – who is from the tough area of New York – was sickened by the attack.
She wrote on her Instagram: "#JusticeforJunior. R.I.P. These Bronx streets are ruthless."
And her prayers were answered after police made arrests today in the sick attack.
Police took two suspects into custody in The Bronx and tracked down three more in Paterson, NJ, sources said.
Five members of the deadly Dominican gang Trinitariosallegedly kill the teen outside a Deli on Wednesday night leaving him to die on the streets.
Investigators believe it was a case of mistaken identity, according to sources.
The victim was enrolled in the NYPD Explorers youth program and dreamed of being an NYPD detective, according to his family.
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