Florian Hall The boy told police that the man chased him onto Marsh Street and behind Florian Hall. That's the last place he saw him, police said.663 Gallivan Blvd. The boy told police that the man approached him from a vacant lot on Gallivan Boulevard at about 8:15 a.m., grabbed him and tried to pull him into the empty lot.St. Brendan School A 12-year-old boy told police that a man grabbed him and tried to pull him into a vacant lot Monday morning while the boy was walking to St. Brendan School in Dorchester.