In Maine, Sara Gideon, the speaker of the Maine House of Representatives, has won the Democratic nomination to take on Republican U.S. Senator Susan Collins in November. The race is on track to become the most expensive in Maine’s history.

In Texas, former Air Force helicopter pilot MJ Hegar has narrowly defeated state lawmaker Royce West for the Democratic Party’s nomination for a U.S. Senate seat. Hegar will challenge Republican incumbent Senator John Cornyn in November.