Columbia Heights 8 hours ago Dozens of families without a home after Columbia Heights gas explosion Over 100 people are displaced after a gas leak caused an explosion in a Columbia Heights apartment building. News4’s Mauricio Casillas reports. Local 2:09 Maryland Attorney General's Office investigating deadly police shooting in Wheaton 1:44 Kamala Harris signs vandalized outside The Little Gay Pub in DC 1:37 Hundreds of Teen Girls Unity Walk raises awareness in DC 2:32 Science 4 Everyone: Why does the moon look bigger than it actually is? 2:13 ‘It may not be too late': Virginia man arrested for decades-old sexual assaults