Update: Jim Parker, the person pictured below with the Monorail piece in his hand, has posted on Twitter his experience:

 

 

According to reports, a piece of Monorail Blue fell off this afternoon over Epcot at Walt Disney World. Below is apparently a picture of the piece:

Emergency crews responded and there were reports the Monorail was being evacuated...

However, according to Twitter user @DirtyWildThings, it was eventually able to go back to the station without evacuation. @DirtyWildThings chronicled the adventure from the inside:

According to Disney, Monorail operation has resumed and no one was injured.