Gas leak hazmat response on South Buffalo Avenue Heard on: Chicago IL EMS Dispatch 00:09 00:00 Level one hazmat for the gas leak, (number withheld) Buffalo, secured on the air supply Engine 23. 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 Level one hazmat for the gas leak, (number withheld) Buffalo, secured on the air supply Engine 23. 00:04 Again, the level one hazmat for the gas leak, (number withheld) Buffalo, secured on the air supply Engine 23. 2026-11-11 22:16 UTC Fire S Buffalo Ave, Chicago, IL 60617 View on map