"My own personal policy in my classes is if I am aware that there is a firearm in the class -- registered or unregistered, concealed or unconcealed -- the class session is immediately canceled," Peterson told the Daily Camera. "I want my students to feel unconstrained in their discussions."

Peterson said he is speaking for himself and not the faculty assembly.

Earlier this year, the university banned all weapons on the Boulder campus, but the state Supreme Court ruled in March that students have a right to carry concealed weapons.

In response, CU created new regulations banning guns from Boulder campus dorms and only allowing them in some family housing units.

The fall semester beings Monday, and freshmen are moving into dorms on Tuesday.

The chief legal officer for the CU system told the Camera professors cannot stop concealed-carry permit holders from bringing their guns to a classroom.

The attorney who brought the original lawsuit on CU's gun ban against the university said Peterson's comment about canceling class was "peculiar."

James Manley told the Camera, "I imagine the folks paying for his class would be disappointed if class is canceled every time somebody exercises their right to carry."

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Information from The Daily Camera