PENROSE, Colo. (CBS4) – A bull is on the loose in Fremont County.

The sheriff’s office posted a warning to the residents about the animal, saying that it “is described to be aggressive toward people and animals.”

READ MORE: 72-Year-Old Skier From Boulder Killed In Collision With Snowboarder At Eldora Ski Area

According to the post, the bull was last seen south on M Street from 16th Street, which is south of Highway 50.

READ MORE: Rocky Mountain Hospital For Children Holding Special Vaccination Clinics For Kids

MORE NEWS: Denver Weather: Where's Winter? Close To Record Heat To Start December

Anyone who sees the animal is warned not to approach it, but instead call the sheriff’s office at 719-784-3411.