Walsh and Jackson bested a pair of lesser known mayoral candidates, retired police officer Robert Cappucci and Joseph Wiley, a health care worker, in Tuesday’s nonpartisan preliminary election which generated lukewarm voter interest.

The top two vote-getters — Walsh and Jackson — advance to the Nov. 7 final election.

Elsewhere in Massachusetts, voters in Framingham were going to the polls for the first time since residents of New England’s largest town opted to become a city. Voters will narrow from seven down to two the field of candidates seeking to become Framingham’s first mayor.

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In Lawrence, five candidates including former Mayor William Lantigua are challenging incumbent Mayor Daniel Rivera, with two advancing to November.