Federal fire officials reported 11 new large fires started across the U.S. on Thursday, including three in Oregon, bringing the total to 107 large fires that have burned more than 2 million acres nationwide, the National Interagency Fire Center reported Friday.

More than 23,700 wildland firefighters and support workers have been assigned to the fires nationally.

Of the three new large Oregon fires, one — the Bull Complex — started in the Mount Hood National Forest and two others were burning near Harper in Malheur County.

The Bull Complex, formerly known as the Janus Complex, consists of five fires that have burned 400 acres 12 miles east of Detroit. No containment was listed Friday afternoon.

In Malheur County, the MM 206 Fire had burned nearly 700 acres 16 miles southwest of Harper, with 40% containment. The Mud Springs Fire, burning 28 miles northwest of Harper was 517 acres and 10% contained.

Other large fires in Oregon, their locations, acreage burned and containment percentage Friday included:

• Black Butte Fire, 25 miles south of Unity in Grant County, 7,645 acres and no containment.

• Bootleg Fire, Klamath and Lake counties, 413,765, 87%.

• Elbow Creek Fire, 17 miles northwest of Wallowa, 22,960, 95%.

• Jack Fire, near Dry Creek, east of Roseburg, 23,644, 54%.

• Rough Patch Complex, northeast of Roseburg, 19 miles north of Glide, 1,529, 3%.

• Skyline Ridge Complex, 5 miles east of Canyonville in Douglas County, 1,516, 5%.

• Middle Fork Complex, 9 miles northeast of Oakridge, 3,305, 10%.