Visually impaired male acting aggressively at Assembly near Tranche Heard on: MBTA Transit Police 00:18 00:00 Operations for the 40319. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. 00:00 Operations for the 40319. 00:05 7219. 00:09 Assembly, northbound at 00:11 Tranche.We have a visually impaired male party with a cane, acting aggressive, possible ECH. 2026-10-05 22:40 UTC Medical Emergency Assembly, 499 Foley St, Somerville, MA 02145 View on map