A woman picks up a sign during a May Day demonstration in Seattle, Washington May 1, 2014. Sponsored by El Comite and the May First Action Coalition, this is Seattle’s 14th annual “May Day March and Rally for Workers and Immigrant Rights.” REUTERS/David Ryder
Araceli Jaime dances in a traditional Aztec costume during a May Day demonstration in Seattle, Washington May 1, 2014. Sponsored by El Comite and the May First Action Coalition, this is Seattle’s 14th annual “May Day March and Rally for Workers and Immigrant Rights.” REUTERS/David Ryder
People march down Jackson Street during a May Day demonstration in Seattle, Washington May 1, 2014. Sponsored by El Comite and the May First Action Coalition, this is Seattle’s 14th annual “May Day March and Rally for Workers and Immigrant Rights.” REUTERS/David Ryder
A demonstrator, who accidentally tripped and fell, receives help from a friend during a May Day demonstration in Seattle, Washington May 1, 2014. Sponsored by El Comite and the May First Action Coalition, this is Seattle’s 14th annual “May Day March and Rally for Workers and Immigrant Rights.” REUTERS/David Ryder
Participants chant during a May Day demonstration in Seattle, Washington May 1, 2014. Sponsored by El Comite and the May First Action Coalition, this is Seattle’s 14th annual “May Day March and Rally for Workers and Immigrant Rights.” REUTERS/David Ryder
A spectator watches participants march during a May Day demonstration in Seattle, Washington May 1, 2014. Sponsored by El Comite and the May First Action Coalition, this is Seattle’s 14th annual “May Day March and Rally for Workers and Immigrant Rights.” REUTERS/David Ryder
Itzel Santiago (C) carries her daughter, Yaretzi, 3, during a May Day demonstration in Seattle, Washington May 1, 2014. Sponsored by El Comite and the May First Action Coalition, this is Seattle’s 14th annual “May Day March and Rally for Workers and Immigrant Rights.” REUTERS/David Ryder
A protestor marches during an anti-capitalist demonstration in Seattle, Washington May 1, 2014. Hundreds marched through the streets, with intermittent violence and at least nine arrests made. REUTERS/David Ryder
Protestors march during an anti-capitalist demonstration in Seattle, Washington May 1, 2014. Hundreds marched through the streets, with intermittent violence and at least nine arrests made. REUTERS/David Ryder
Protestors tussle with men dressed in costumes during an anti-capitalist demonstration in Seattle, Washington May 1, 2014. Hundreds marched through the streets, with intermittent violence and at least nine arrests made. REUTERS/David Ryder
A counter protestor (C, white shirt) tackles an anti-capitalist protestor during an anti-capitalist demonstration in Seattle, Washington May 1, 2014. Hundreds marched through the streets, with intermittent violence and at least nine arrests made.
Protestors surround a motorist during an anti-capitalist demonstration in Seattle, Washington May 1, 2014. Hundreds marched through the streets, with intermittent violence and at least nine arrests made.
Police target protestors with pepper spray during an anti-capitalist demonstration in Seattle, Washington May 1, 2014. Hundreds marched through the streets, with intermittent violence and at least nine arrests made. REUTERS/David Ryder
A protestor reacts to being hit by pepper spray and then treated with a milky liquid during an anti-capitalist demonstration in Seattle, Washington May 1, 2014. Hundreds marched through the streets, with intermittent violence and at least nine arrests made. REUTERS/David Ryder
A protestor taunts a police officer during an anti-capitalist demonstration in Seattle, Washington May 1, 2014. Hundreds marched through the streets, with intermittent violence and at least nine arrests made. REUTERS/David Ryder
Police yell during an anti-capitalist demonstration in Seattle, Washington May 1, 2014. Hundreds marched through the streets, with intermittent violence and at least nine arrests made. REUTERS/David Ryder
A protestor gets treated with a milky substance after being hit by pepper spray during an anti-capitalist demonstration in Seattle, Washington May 1, 2014. Hundreds marched through the streets, with intermittent violence and at least nine arrests made.
Protestors add garbage, signs, and other fuel to a fire in the middle of an intersection during an anti-capitalist demonstration in Seattle, Washington May 1, 2014. Hundreds marched through the streets and demonstrated late into the night, with intermittent violence and at least seven arrests made. REUTERS/David Ryder
A flag is pictured near a fire in the middle of an intersection during an anti-capitalist demonstration in Seattle, Washington May 1, 2014. Hundreds marched through the streets and demonstrated late into the night, with intermittent violence and at least seven arrests made. REUTERS/David Ryder
As a bonfire burns, police rush into an intersection and arrest a protestor during an anti-capitalist demonstration in Seattle, Washington May 1, 2014. Hundreds marched through the streets and demonstrated late into the night, with intermittent violence and at least seven arrests made. REUTERS/David Ryder
Police arrest a man during an anti-capitalist demonstration in Seattle, Washington May 1, 2014. Hundreds marched through the streets and demonstrated late into the night, with intermittent violence and at least nine arrests made. REUTERS/David Ryder
Police arrest a man during an anti-capitalist demonstration in Seattle, Washington May 1, 2014. Hundreds marched through the streets and demonstrated late into the night, with intermittent violence and at least nine arrests made. REUTERS/David Ryder
Police arrest a man during an anti-capitalist demonstration in Seattle, Washington May 1, 2014. Hundreds marched through the streets and demonstrated late into the night, with intermittent violence and at least nine arrests made. REUTERS/David Ryder
Police secure the street near a statue of Seattle icon Jimi Hendrix during an anti-capitalist demonstration in Seattle, Washington May 1, 2014. Hundreds marched through the streets and demonstrated late into the night, with intermittent violence and at least nine arrests made. REUTERS/David Ryder