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The Ministry of Natural Resources is reporting them in the Dryden, Sioux Lookout, Kenora, Thunder Bay and Nipigon Districts.
Majority of them were lightning caused, but there were a few human caused ones as well.
In addition, a number of the fires required air and ground attack as they posed a threat to people and property, and they are now under control.
The fire hazard is currently "moderate" and is expected to reach high by this weekend.