PLAINFIELD, NJ - A Plainfield resident has been arrested and charged for his alleged role in an altercation that resulted in the death of 34-year-old Oscar Isaac Ramos Lopez  this week, acting Union County Prosecutor Grace H. Park announced Saturday.

Jamie Castillo Castro, 24, is charged with first-degree aggravated manslaughter in connection with the killing.

Plainfield Police Division patrol units responding to a report of a fight in the area of Park Ave. and West 2nd St. at approximately 11:15 p.m. on Thursday, Jan. 12,  and found Lopez unconscious in the street. He was rushed to a local hospital, where he was pronounced dead the next day.

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Following an exchange of words on the street, Lopez and Castro engaged in a physical altercation that ended with Lopez being fatally injured, according to an investigation by the Prosecutor’s Office’s Homicide Task Force and High Tech Unit, Plainfield Police Division, and Union County Sheriff’s Office’s Crime Scene Unit.. Castro was arrested Saturday and he was lodged in Union County Jail, with bail to be determined.

Anyone with information about this matter is still being urged to contact Homicide Task Force Sgt. Johnny Ho at 908-403-8271.