Middlesex & Worcester District Democratic state Sen. Jamie Eldridge and Republican challenger Dean Cavaretta will be debating live on Patch at 7:30 tonight. Click on the box above to watch the debate live.

You can also watch the debate on any ActonTV channel (Comcast Channels 8, 9 and 99 and Verizon Channels 40, 41 and 45).

The state senate seat up for grabs in the Nov. 6 election serves the Middlesex & Worcester District, including Acton, Ayer, Boxborough, Devens, Harvard, Hudson, Littleton, Maynard, Marlborough, precinct 3 in Northborough, Shirley, Southborough, Stow, precincts 2, 3, and 5 in Sudbury and Westborough.