Forest Service says lightning caused Minnesota wildfire

ISABELLA, Minn. (AP) — A wildfire in the Superior National Forest of northeastern Minnesota that crews have been fighting since the weekend has grown to 6 1/4 square miles (16 square kilometers), but U.S. Forest Service officials said Thursday morning that it grew little overnight.
The Forest Service said lightning caused the fire near Greenwood Lake, about 25 miles southwest of Isabella, which was first spotted Sunday.
Great Lakes Now
https://www.greatlakesnow.org/2021/08/ap-forest-service-lightning-minnesota-wildfire/