A Delta Airlines official says a passenger aboard a plane at Detroit Metropolitan Airport set off firecrackers aboard the plane, causing a commotion and some minor injuries, according to AP. Delta spokeswoman Susan Elliott says Delta Flight 253, an Airbus 330 carrying 278 passengers, was arriving in Detroit from Amsterdam when the incident took place Friday afternoon. Elliott says the passenger was immediately subdued. She had no details on injuries. An FBI spokeswoman in Detroit says the incident is being investigated.