BALTIMORE (AP) — State Sen. Brian D. Frosh, a longtime advocate for gun control and environmental protection, won the Democratic nomination for attorney general Tuesday in a three-way race that included a nephew of U.S. Sen. Ben Cardin.

With 80 percent of precincts reporting, Frosh had 49 percent of the vote. State Delegate Jon Cardin of Baltimore County had 31 percent. Delegate Aisha Braveboy of Prince George’s County had 20 percent.