Officials at Boston's Logan International Airport apologized for holding a fire drill, complete with smoke and flames, on the 12th anniversary of the Sept. 11, 2001, reports CBS News.
On Wednesday morning, the Massachusetts Port Authority conducted the drill, which involved what appeared to be a plane on fire, CBS Boston reports.
Boston Logan Airport tweeted the smoke and fire was part of a drill.
Heavy black smoke could be seen drifting over the airfield.
The tweet sparked several other tweets asking why authorities would choose September 11 to conduct a drill involving a plane on fire.
The two jetliners that were hijacked and flown into the World Trade Center's twin towers, took off from Logan Airport on September 11, 2001.
By noon, Massport apologized for the drill on the Logan Airport Facebook page and Twitter feed.
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