Federal agents conducting raids on two California cannabis farms clashed with protesters on Thursday, appearing to fire chemical munitions into the crowd.

Federal agents clashed with protesters during an immigration raid at a farm in Southern California, one of at least two large-scale raids in the region on Thursday. The incident occurred outside of an agricultural farm along Laguna Road in the Camarillo area of Ventura County.

Federal law enforcement officials fired tear gas and rubber bullets at protesters Thursday during a large immigration raid in Ventura County at one of California’s largest and most notable cannabis farms, according to a local mayor at the scene.