Join the City of Somerville on Thursday, Oct. 30 for the first annual “Haunted Hall” event at City Hall and the City Hall concourse from 6 to 8 p.m. The family-friendly event will feature a costumed Halloween Stroll, safe Trick-or-Treating inside City Hall, games and activities, refreshments, a Haunted Walkway tour, and more. Young attendees are invited to participate in the annual “Halloween Stroll,” relocated from the Community Path for this event, stepping off at 6:15 p.m. Costumes are encouraged for all ages, and all “haunted” elements will be appropriate for attendees of all ages. For more information, contact Jackie Rossetti at 617-625-6600 ext 2614, or JRossetti@somervillema.gov.