Hillary Clinton Hillary Diane Rodham ClintonHillicon Valley: FBI chief says Russia is trying to interfere in election to undermine Biden | Treasury Dept. sanctions Iranian government-backed hackers The Hill's Campaign Report: Arizona shifts towards Biden | Biden prepares for drive-in town hall | New Biden ad targets Latino voters FBI chief says Russia is trying to interfere in election to undermine Biden MORE has been projected as the winner of the Arkansas primary.

Clinton is cleaning up in the South, where she has also won Alabama, Georgia, Tennessee, Texas and Virginia.

The former secretary of State has a long history in Arkansas, where she was the state's first lady during her husband Bill Clinton William (Bill) Jefferson ClintonD-Day for Trump: September 29 Trump job approval locked at 42 percent: Gallup If Trump doesn't know why he should be president again, how can voters? MORE's days there as governor.

Clinton was widely expected to win the state.