On December 11, Massachusetts held a special election for State Senate, Middlesex 4 district. The results: Democrat James Marzilli 59.4%, Republican Brian Cangiamila 36.1%, Constitution Party nominee Thomas Fallon 4.5%.
The same district in November 2006 voted Democratic 66.2%, Republican 33.8%.
Turnout in the special election was 15% of the number of registered voters.