Illinois Lt. Gov. Juliana Stratton won Tuesday's Democratic primary for U.S. Senate, edging out two sitting members of the U.S. House to advance to a November general election against Republican nominee Don Tracy, former state party chair.

The race to replace U.S. Sen Dick Durbin is shaping up in Illinois after Don Tracy won the Republican nomination in Tuesday's primary. The former chairman of the state Republican Party was among the best-known in the six-candidate race.