BOSTON (AP) - Voters in six Massachusetts legislative districts are heading to the polls as the state continues to fill a slew of open Statehouse seats.

Districts with special elections Tuesday include the 2nd Suffolk House District (covering parts of Boston and Chelsea); the 13th Suffolk House District (covering parts of Boston and Quincy); and the 16th Suffolk House District (covering parts of Boston, Chelsea, Revere and Saugus).

The 4th Hampden House District in Westfield and the 5th Middlesex Senate District (covering Malden, Melrose, Reading, Stoneham, Wakefield, and part of Winchester) are also holding special elections.

And there's a special primary election in Boston's 5th Suffolk District to fill the seat left vacant following the expulsion of former Rep. Carlos Henriquez after his conviction on two assault charges.

Polls are open from 7 a.m. to 8 p.m.