(CNN) — For a second consecutive day, tear gas and flash bangs have been used to disperse protests over immigration activity in the Los Angeles area.

On Saturday, protesters gathered in Paramount, California. Assemblymember José Luis Solache said four people were arrested.

The FBI is investigating alleged instances of demonstrators obstructing immigration enforcement operations in Los Angeles Friday and Saturday, the bureau’s deputy director, Dan Bongino, said on social media Saturday.

The Department of Justice criticized California officials as protests over federal immigration enforcement operations entered a second day Saturday.

“The violent targeting of law enforcement in Los Angeles by lawless rioters is despicable and Mayor Bass and Governor Newsom must call for it to end. The me

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