The Metropolitan Police Department said that beginning around 7:30 p.m. Friday, Oct. 31, officers observed “several groups of juveniles converge on the park area between First Street and New Jersey Avenue, SE, adjacent to an entrance to the Navy Yard Metro Station.”
Shortly after 8 p.m., the crowd swelled to “several hundred juveniles.”
Police said that while the group was initially peaceful, “as the evening progressed, many of the juveniles within the group began engaging in fights and disrupting the flow of traffic, repeatedly ignoring instructions to remain on sidewalks.”…