The  League of Women Voters and NewTV are co-sponsoring a debate featuring the four mayoral candidates  — Alderman Ted Hess-Mahan, local activist Tom Sheff,  whistle blower Jackie Gauvreau Sequeira and Mayor Setti Warren — on Sept. 12 at 7 p.m.

The debate will be shown live on NewTV.org, the NewTV website and Village 14. The public is also invited to watch in the NewTV conference room at 23 Needham Street, Newton, during the event.

You can submit your questions for the candidate to [email protected], or the evening of the event at Facebook.com/NewTV and Twitter:  @New_TV.