Van Hollen to Succeed Mikulski in Maryland Senate
Democrat won a tough primary this April against fellow Rep. Donna Edwards

Maryland Senate candidate Rep. Chris Van Hollen, D-Md., greets guests after speaking at Leisure World retirement community in Silver Spring, Md., October 13, 2016. (Tom Williams/CQ Roll Call file photo)

Democratic Rep. Chris Van Hollen will succeed Maryland Sen. Barbara A. Mikulski, The Associated Press projects. The outspoken and outgoing five-term Democrat announced her retirement last year. 

Van Hollen led Republican challenger Kathy Szeliga 82 percent to 16 percent with 0.5 percent of precincts reporting.