U.S. meat producer Glenn Valley Foods was operating an Omaha, Nebraska, facility with about 30% of its staff on Wednesday after federal agents detained workers in an immigration raid the previous day,

Immigration authorities have raided an Omaha meat production plant and detained dozens of workers. That prompted confusion from company officials who say they complied with the law and sparked protests outside the operation.

The raid on Tuesday was the "largest worksite enforcement operation" in the state during the Trump presidency, the Homeland Security Department said.