Los Angeles Airport police officer watches as members of SEIU United Service Workers West labor union and their supporters take part in a protest march through the airport

 
Los Angeles Airport police officer watches as members of SEIU United Service Workers West labor union and their supporters take part in a protest march through the airport
A Los Angeles Airport police officer on a bicycle watches as members of the Service Employees International Union (SEIU) United Service Workers West labor union and their supporters take part in a protest march on an one-day general strike, through Los Angeles International Airport, in Los Angeles, California May 1, 2012. Approximately 1,200 protesters took part in the demonstration to protest working conditions and to lend support to other May Day rallies. REUTERS/Gus Ruelas (UNITED STATES - Tags: CIVIL UNREST BUSINESS EMPLOYMENT TRANSPORT TPX IMAGES OF THE DAY)