At-large candidates to have at it at forum

The seven candidates for Boston's four at-large City Council seats meet in their first forum tonight in the Back Bay.

The forum, sponsored by the Ward 5 Democratic Committee, starts at 7 p.m. at the First Church in Boston, at the corner of Marlborough and Berkeley streets. People who arrive early will get to hear Newton Mayor Setti Warren discuss his bid for Scott Brown's Senate seat.