Southland May Day rallies

Osvaldo Carrero Sr. shouts in support of immigration reform as his son, Osvaldo Carrero Jr., 6, waves an American flag.  (Bob Chamberlin / Los Angeles Times)

Bardomino Garcia shows his support by waving U.S. colors.  (Bob Chamberlin / Los Angeles Times)

An immigration reform supporter shows off her handmade permanent residency card as participants gather at Olympic and Broadway before marching 12 blocks through downtown.  (Robert Gauthier / Los Angeles Times)

A man who called himself “Klavo” tests the boundaries of freedom of speech by dragging an American flag during the rally.  (Robert Gauthier / Los Angeles Times)

Andres Meza of Orange County protests immigration issues at a downtown Los Angeles march, one of several May Day immigration rallies in Southern California.  (Robert Gauthier / Los Angeles Times)

Students from Hollenbeck Middle School carrying May Day rally signs run past a mural at Roosevelt High School in Boyle Heights. Rally organizers are gathering students to walk out of school and walk to downtown Los Angeles.  (Spencer Weiner / Los Angeles Times)

Osvaldo Delgado of El Paso hawks “I Love Immigrants” T-shirts for $10 as people gather in downtown Los Angeles to march in one of the numerous May Day immigration rallies in Southern California.  (Robert Gauthier / Los Angeles Times)

Jose Gregorio Perez of Puebla, Mexico, gathers flags and placards as he prepares to take part in a May Day immigration march in downtown Los Angeles.  (Robert Gauthier / Los Angeles Times)

A Minuteman supporter shouts in front of the Mexican Consulate in Santa Ana.  (Mark Boster / Los Angeles Times)

Alex Vega marches past a row of flags being held by several pro-American groups and the Minutemen in front of the Mexican Consulate in Santa Ana.  (Mark Boster / Los Angeles Times)

Lincoln High School students walk along Cesar Chavez Avenue toward downtown Los Angeles during a May Day march.  (Spencer Weiner / Los Angeles Times)

Lincoln High School students walk on a bridge above the 101 Freeway on their way toward downtown Los Angeles for a march.  (Spencer Weiner / Los Angeles Times)