Thousands of community organizations, labor unions and human rights activists filled the streets of downtown Los Angeles on Thursday, marking May Day, also referred to as International Workers' Day. SkyCal flew over the rally,

Thousands of union members, immigrant-rights supporters and others flooded the streets of downtown Los Angeles Thursday for the first of multiple marches celebrating May Day.

Protests under the “50501” movement – short for 50 protests, 50 states, 1 movement – in response to the Trump administration’s controversial moves against immigrants and federal workers over its first 100 days are happening across the country Thursday.

The demonstration in the heart of Pasadena drew hundreds in protest of Trump administration policies and actions.