D.C. police detectives Wednesday arrested a 16-year-old on charges he fatally shot a recent high school graduate in Northeast Washington just days before the victim planned to leave for college, police officials said.

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       The male suspect, who was not named by police, was charged with first-degree murder while armed in the killing of 18-year-old Richard Bangura on Aug. 9, police said in a statement. Bangura was found with critical wounds inside of a vehicle in the 2400 block of Franklin Street NE, less than two blocks from his home, just before 7 p.m.

       He died at a hospital a week later, police said.

       His family said the Paul L. Dunbar Senior High School graduate was set to attend Temple University and planned to seek a law degree.

       Police did not release details about a motive in the case or evidence about what led to the juvenile’s arrest.