Federal agents conducted immigration enforcement raids on Thursday on state-licensed marijuana nurseries in an agricultural region of coastal Southern California, where they were confronted by throngs of angry protesters.

Vehicles from Border Patrol and U.S. Customs and Border Protection blocked the road in a largely agricultural area of Camarillo lined with fields and greenhouses. There were military-style vehicles and a helicopter flying overhead.

Federal agents clashed with demonstrators during an immigration enforcement operation in an agricultural area of southern California on Thursday.

ACLU attorneys urged a federal judge in a downtown Los Angeles courtroom to temporarily block what they describe as a wave of unconstitutional immigration raids sweeping across Southern California.