Sen. Chris Coons wins Delaware Democratic Senate primary

Delaware Sen. Chris Coons on Tuesday defeated progressive rival Jessica Scarane during the state's Democratic primary.

The sitting senator appears to have scored a resounding victory, earning 73.7 percent of the vote compared to Scarane's 26.3 percent as of 10:11 p.m. EST. 

Coons has spent nearly a decade working in the Senate since he began serving in 2010 after winning a special election.