More than two dozen people have been charged with state and federal drug and gun crimes as part of a gang sweep at a Boston housing project.

Federal charges were unsealed Thursday against 19 people accused of distribution and possession of drugs and guns in the Lenox Street Housing Development in Boston's South End neighborhood, according to the office of U.S. Attorney Carmen Ortiz.

Eight others from the same area were charged with drug distribution by state authorities.

Federal prosecutors say many of the defendants are affiliated with a gang known as the Lenox Street Cardinals.

The investigation began in January 2015 with a goal of curtailing drug and gun trafficking at the housing project. The Lenox area was one of Boston's top 10 hotspots for violence in 2015.