The FBI has issued a reward for information about a person who appeared to open fire at an immigration enforcement operation in rural Ventura County. The federal operation at Glass House Farms near Camarillo drew dozens of protesters who clashed with federal agents on a road surrounded by farm fields and greenhouses northwest of Los Angeles.

A man appeared to have fired a pistol at federal law enforcement during a large-scale operation in Camarillo Thursday and now the FBI

According to reporting on the ground, the company’s facilities in Camarillo (Ventura County) and Carpinteria (Santa Barbara County) are the scenes of large-scale ICE raids. Protesters have gathered at both locations, with reports of federal agents using tear gas or pepper spray to push the crowds back.