Bertha Ramirez, 72 joins thousands preparing to march in May Day immigrationd and labor rallies from MacArthur Park to Grand Park in downtown Los Angeles.

Trump supporters and May Day marchers shout at each other in downtown Los Angeles.

Marchers carry a giant American flag at the start of the May Day march that began at MacArthur Park.

Maria Elena Durazo, center, labor leader, hold hands with immigration attorney Jessica Dominguez, right, in a May Day march in downtown Los Angeles.

Diana Chavez, Angelica Chavez and Robert Meija, left to right, carry DonaldTrump pinata’s as they march on Wilshire Blvd with thousands beginning at MacArthur Park to downtown Los Angeles for the annual May Day march in Los Angeles.

Demonstrators carry signs as they walk on Wilshire Boulevard at the start of the May Day march that began at MacArthur Park.

Anti-Trump protesters yell across the street at supporters as separate May Day marches and rallies converge at First and Spring streets in downtown Los Angeles .

Demonstrators spell out Immigration Reform Now during the May Day march in downtown Los Angeles.

A man carries a cross with his statement during the May Day rally in downtown Los Angeles.

Hundreds of marchers make their way up Hills Street during the May Day march in downtown Los Angeles.

Trump supporters yell at marchers from behind LAPD lines during the May Day march in downtown Los Angeles.

LAPD officers form a wall between Trump supporters and May day protesters as they converge in downtown Los Angeles

LAPD officers stand between Trump supporters and people marching in the May Day rally in downtown Los Angeles.

Marchers shout their protests during the May Day rally in downtown Los Angeles.

Supporters of President Donald Trump yell across the street at May Day protesters in downtown Los Angeles.

Demonstrators rally during the May Day march in downtown Los Angeles.

Trump pinatas get a ride during the May Day march in downtown Los Angeles.

Marchers carry signs as they walk on Hill Street from MacArthur Park to Grand Park in downtown Los Angeles

Workers take a break on a roof top to watch crowd during May Day march in downtown Los Angeles.

Marya Ayloush participates in the May Day march in downtown Los Angeles.

LAPD officers form a wall between Trump supporters and May Day protestors as they converge in downtown Los Angeles.

Los Angeles Mayor Eric Garcetti speaks to participants of the May Day march in front of City Hall in Los Angeles.

Marchers shout their protests during the May Day rally in downtown Los Angeles.