D.C. Attorney General Karl Racine has stepped up enforcement of the city’s housing code, creatively using legal tools to go after landlords who don’t fix up their properties.

The front door at 1433 Columbia Rd. NW remained broken this morning, but city leaders vowed that they would fix up the building. The fatal shooting of 9-year-old Oscar Fuentes inside his Columbia Heights apartment on Saturday night was not gang-related, according to D.C. Police Chief Cathy Lanier. Lanier, along with D.C. Mayor Adrian Fenty and Ward 1 D.C. Council member Jim Graham, this morning announced the arrest of Josue Pena, 26, in the…