F-16's rumble through downtown Boston - Boston News, Weather, Sports | FOX 25 | MyFoxBoston

A POW/MIA event flyover led to some frantic Tweets in downtown Boston Friday afternoon.

"Air force fly-by just freaked everyone out in my office. Most of everyone's thoughts: "Well, it was nice knowing you," was tweeted by TBrew.

"We heard it in our office, and it scared us to death," Tweeted alisonTBboston.

The four F-16's from the Massachusetts Air National Guard were part of a POW/MIA event at Boston Town Plaza, the Federal Aviation Administration said.