More than 300 arrested in immigration sweep

More than 300 suspected illegal immigrants were arrested Tuesday morning at a chicken processing plant near Greenville, S.C. -- the latest in a stepped-up federal enforcement effort that has resulted in the deportation of thousands of illegal workers in recent months.

Tuesday's raid was led by U.S. Immigration and Customs Enforcement officials and involved hundreds of agents from numerous agencies. The target was Columbia Farms, a processing plant that had been the subject of a 10-month criminal investigation. ....