DC Fire EMS: Carbon monoxide incident on the unit block of Adams Street NW

See these tweets:

Update CO incident unit block Adams St NW. #DCsBravest confirm defective furnace as source. Ventilating structure and EMS evaluating 2nd occupant. Carbon Monoxide is a colorless odorless “silent killer.” A carbon monoxide detector provides a lifesaving early warning. pic.twitter.com/CLgCxWu1qd

— DC Fire and EMS (@dcfireems) December 12, 2018

Update CO incident unit block Adams St NW. Ventilation complete & all readings now at normal levels. Patient transported was an adult male. 2nd patient evaluated did not require transport. #DCsBravest body worn CO monitors played key role in alerting us to danger.

— DC Fire and EMS (@dcfireems) December 12, 2018