Los Angeles, Sept. 21 -- California Governor Gavin Newsom announced Saturday that he had signed a package of laws aimed at protecting immigrants in the U.S. state, with the No Secret Police Act being a first-in-the-nation measure that prohibits officers from wearing masks.

Speaking at a high school in Los Angeles, Newsom said he signed five bills into law. The No Secret Police Act broadly bars federal and local law enforcement officers from wearing face masks while performing their duties.

Newsom also signed a bill requiring state and federal law enforcement officers to identify themselves by displaying their badge numbers or names while on duty, unless working undercover.

The other three bills signed Saturday restrict Immigration and Cu...