Update: Wichita Fire Investigations Captain Stuart Bevis says there were so many grass fires Thursday afternoon, they had to call off-duty firefighters in to help battle them.

Investigators say a semi may have caused one of the grass fires in our area. 

Andover Fire Chief Chad Russell says they had nine fire units and 25 firefighters from Andover respond to grass fires Thursday. 

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Multiple grass fires flared up in the warm and breezy conditions Thursday afternoon, posing hazards for drivers during the evening commute.

Butler County dispatchers said firefighters were called to several fires, including a large fire near Highway 54 and 159th St. East. There is a housing addition near the fire, but there is no threat to structures at this time.

They also have crews working several small fires along Hwy 54, east of Augusta.

No one has been hurt. There are no evacuations at this time.

Sedgwick County firefighters have been called to battle a blaze near K-96 and Webb Rd. K-DOT has closed K-96 at Hillside to Hydraulic because of fire and smoke.

Crews have also been called to try and contain a fire near Park City, off I-135.

A red-flag warning remains in effect for central Kansas, including Wichita, Salina and Great Bend until 7 p.m.

The cause of the fires have not been released.