'Welcome to Hell' Protesters Clash on Eve of G-20

Demonstrators gather at Hamburg harbor prior to the "Welcome to Hell" anti-G-20 protest march on July 6, 2017 in Hamburg, Germany.

Protesters hold banners as they wait for the start of the demonstration.

A protester gestures at the police during the protest.

A protester raises his fist in front of a banner.

Protesters hold signs while gathering against riot police.

A protester holds up her phone while surrounded by riot police.

Police use water canons as tensions begin to rise.

Paramedics carry an injured man who gestures as they take him away.

Protesters clash with riot police as demonstrations turn violent.

A man plays music on a recorder while sitting in front of riot police.

Protesters play drums during the demonstration march at the Fish Market (fischmarkt).

Protesters clash with riot police.

Firemen extinguish a car that was set on fire.

Riot police use water cannons as a man gestures towards them.

A protester blows bubbles as riot police use water cannons.

A man throws a shelf on to a burning pile of bins after the rally.

A police water cannon sprays a protester as demonstrations continue into the night.

Policemen on the streets after the demonstrations.