A forum for the five state Senate candidates in hopes of winning the seat left vacant by the late Charles E. Shannon, Jr. will be held 7 to 8:30 p.m. Aug. 10 at Davis Square’s Somerville Theatre.

The Somerville News will be co-hosting the event with area’s local Progressive Talk radio 1200/1430 AM.

The participants will be: Alderman-at-Large William A. White, Jr, Govenor’s Councilor Michael J. Callahan, State Rep. Paul C. Casey, D-Somerville, State Rep. Patricia D. Jehlen, D-Somerville, Attorney Joseph K. Mackey.