Several residents, both in Ottawa and in Gatineau, Que., reported lights smashing into the water around 10 p.m. Monday, along with a thunderous boom.
The calls prompted police, firefighters, paramedics and a helicopter from CFB Trenton to scour the waters for a downed aircraft.
Problem was, there was no physical evidence pointing to a plane wreck: No debris, no oil slick and no indication from airspace authorities that something fell off the radar. There was also no report of a missing aircraft.
The CBC has also reported the incident. Some Canadian bloggers say American authorities were on the scene before Canadian ones had time to respond. The mundane explanation would be that this was "space junk," but some observers report that the object changed direction as it was falling...
Addendum: Stan B makes note of the similarities to the Shag Harbor Incident in Nova Scotia.