The Associated Press
FORT MORGAN, Colo. (AP) -- Immigrant rights activists say a roundup of people accused of falsifying documents to work in the U.S. is creating fear and confusion in the community.

U.S. Immigration and Customs Enforcement officials announced the arrest of 11 people in Fort Morgan. KUSA-TV reports that the arrests took place Wednesday at the Wildcat Dairy. The station reports that 50 of the dairy's 60 workers are now gone.

Morgan County Undersheriff Dave Martin says authorities served arrest warrants at the dairy and Fort Morgan homes. Dairy owner Ed Wilgenburg did not immediately return a message left by The Associated Press.

ICE says 20 egregious violators were indicted by a state grand jury on accusations that they possessed or used fraudulent "green cards" and Social Security cards to obtain employment in the United States.

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Information from: KUSA-TV, http://www.9news.com

Copyright 2011 The AP.