Three special elections in Virginia will determine which party holds control of the State Senate and House of Delegates. Democrats are favored in two of the districts, both in Loudoun County, a Washington suburb. Republicans are favored to hold a rural State Senate seat west of Richmond.

Virginia voters will begin the new year filling state Senate and House vacancies on Tuesday in a trio of special elections that could determine control of the narrowly divided chambers.

Democrats held on to the Loudoun House and Senate seats, while Republicans retained a Senate post in central Virginia, according to the Associated Press.

Virginia Democrats will hold on to their narrow majorities in the state Legislature after winning special elections Tuesday in two seats in a county that shifted toward President-elect Donald Trump last year,

The party held onto two key seats in Loudoun County that will allow them to maintain control of the state’s legislature.

Democrats won a pair of special legislative elections in Virginia Tuesday, allowing the party to maintain their narrow majorities in both chambers.