North Hudson Regional Fire and Rescue Battalion Chief Mike Cranwell will present fire prevention demonstrations, sponsored by Union City Mayor Brian Stack and the Board of Commissioners, at various locations for local families during the next two week. One will be held on March 18 at Roosevelt School, at 4507 Hudson Ave., at 7 p.m.; March 20 at Bruce Walter Recreation Center, at 507 West St., at 7 p.m.; and March 23 at Robert Waters School, at 2800 Summit Ave., at 7 p.m.