GRAND FORKS, ND--The Health department is looking into an oily substance in the Red River.
A Spill Investigator is running some tests on the River after we called to report a strange substance near the Sorlie Bridge.
We sent a video to the investigator.
The investigator, Bob Suess is calling it "an unknown oily substance," and says the video isn't quite enough to determine whether it's natural or manmade.
Suess says he's sending someone to the river to take water samples.
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The Samples will be sent to the state lab, to run some tests.
It could be up to a few days before they determine what substance is, and what caused it to surface.