Voter's Guide To 2017 4th Middlesex State Senate Special Election

Three Democrats are vying for the 4th Middlesex Senate District seat of the late state Sen. Kenneth Donnelly, D-Arlington, who died in April due to complications from brain cancer.

There are no Republican candidates running. The winner of the Tuesday night's primary will face Ian Jackson, a Green-Rainbow Party candidate, in the July 25 general election.

Here's what you need to know about Tuesday's election:

Who's On The Ballot:

Democratic Primary

• Cindy Friedman of Arlington, Donnelly's former chief of staff.
• State Rep. Sen Garballey of Arlington
• Mass. Board of Elementary and Secondary Education Mary Ann Stewart of Lexington

Republican Primary

• No Candidates

When to vote:

Polls will be open from 7 a.m. to 8 p.m. on Tuesday. If you make the line by 8 p.m., you're allowed to vote.

Where to vote:

Enter your address in this website to learn where your polling place is located. Check back with Patch for more election coverage and live results.

What is the 4th Middlesex District?

The 4th Middlesex District is comprised of Arlington, Billerica, Burlington, Lexington, and Woburn.