(CBS DETROIT) – Workers went on strike, at multiple Kellogg’s plants across America, from Battle Creek Michigan, home of the food giant, to some of its largest plants across Nebraska and Pennsylvania.

More than a thousand workers walked off the job in the last 24 hours over a dispute on pay and benefits.

READ MORE: Local Communities Organize Student Walkouts To Rally Against Gun Violence

Union leaders say negotiations are ongoing, and that Kellogg has threatened to move jobs to Mexico.

READ MORE: What We Know About The Victims At Robb Elementary School

Kellogg owns some of the biggest names in cereal and snack brands, including Frosted Flakes, Eggo, Pop-Tarts, and Pringles.

The company says it is prepared for any outcome once contracts expire.

MORE NEWS: Garden City Police Search For 2 Vehicles Involved In Shooting That Caused Fatal Crash

© 2021 CBS Broadcasting Inc. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.