Lighting tests at Chaudière Falls for Ottawa 2017 event

It’s not a UFO. It’s just a test.
Ottawa 2017 organizers were to conduct lighting tests around Chaudière Falls on Wednesday, Thursday and Friday night and were warning residents not to be alarmed.
The “advanced technical lighting tests” were set to run overnight from 7 p.m. till 7 a.m. in preparation for what Ottawa 2017 calls a “signature event and original concept” called Mìwàte: Illumination of the Chaudière Falls.
The free light