Massachusetts Sen. Elizabeth Warren won a third term on Election Day, defeating Republican challenger John Deaton, CBS News projects.

Elizabeth Warren defeated her Republican opponent, John Deaton, Tuesday evening, according to projections from the Associated Press posted shortly after 8 p.m. With the win, Warren is set to serve her third six-year term in the US Senate.

Democrat U.S. Sen. Elizabeth Warren of Cambridge won a third term, defeating Republican John Deaton, an attorney and political newcomer, from Swansea. The Associated Press called the race for Warren at 8 p.m. Unofficial returns showed Warren taking about ...