Protesters Riot in Greece Against Obama's Visit

Protesters clash with riot police during a demonstration against President Barack Obama's visit to Athens on Nov. 15, 2016.

Greek police say about 3,000 anarchists, left-wing activists and students marched through central Athens.

There's a strong anti-American tradition among Greek left-wingers, who still resent U.S. support for Greece's 1967-74 military dictatorship.

Protesters clash with the police.

Protesters hold a banner that reads "Not welcome - against Obama's visit."

Protesters run from teargas.

A man speaks into a megaphone as demonstrators hold red flags.

Protesters burn a U.S. flag.

A man tries to extinguish a garbage bin set on fire by protesters. 

Protesters stand in front of graffiti that reads 'No Hope.'

Fire from a molotov cocktail rises near Greek riot police.

Protesters prepare to throw molotov cocktails during clashes.

Demonstrators hold a placard reading 'Trump - build a wall around your face.'

A protester jumps to avoid tear gas as another prepares to throw a firebomb.

Demonstrators cover their faces and disperse as tear gas is fired during clashes.

Riot police stand on a street amid tear gas.

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