Logan International Airport in the US city of Boston has apologised for holding a full fire drill on the 12th anniversary of 9/11 yesterday.
The exercise was complete with smoke on the airfield and was announced by the airport on its social media sites.
The fire department will be training this morning. Smoke on the airfield is part of the training.
— Boston Logan Airport (@BostonLogan) September 11, 2013
It later apologised for the fire training drill, saying it may have offended people.
Massport apologizes for conducting the fire training exercise and understands that it may have offended many of... http://t.co/guEPVxqXRZ
— Boston Logan Airport (@BostonLogan) September 11, 2013
In a statement, the airport said "Massport apologizes for conducting the fire training exercise and understands that it may have offended many of those touched by the events of Sept. 11".
"Safety and security is our top priority and constant vigilance and readiness is critical, but the exercise should not have taken place on the anniversary of 9/11".
"The airport community recognizes the day with moments of silence, a service in the chapel, and a wreath at the 9/11 memorial" he added.