One of the books is alleged to have hit a car, leading to the felony crime of throwing an object onto the freeway with the intent to cause great bodily injury during an immigration protest.

When marchers crossed overpasses of U.S. 101, prosecutors say Martin Richard Torres, 42, climbed onto a freeway sign, vandalized it and threw books at traffic below.

For the second straight week demonstrators gathered in downtown Los Angeles police to protest the immigration policies recently instated by President Donald Trump. The Los Angeles Police Department said protesters had entered La Plaza en El Pueblo and urged other members of the public to use caution in the area as the "non-permitted" demonstration continued.

The Los Angeles Police Department said a teenage protester was stabbed and transported to a hospital in critical condition.

Officials detained about 200 demonstrators after dispersal orders Monday night, but issued warnings and released them.

Following Wednesday’s protest, students in Los Angeles walked out of class for the fourth day in row in support of immigrants and against deportations.