dominick king reports now from frankfurt. >>reporter: violence, police stepping in to provent protesters taking over the streets. the bloccupy movement aims to make their point of what they see as the negative impact of austerity policies. >> above all, i think the ecp is a big symbol for monetary policy in europe and for the capitalism here and it's simply very important that lots of people from lots of different countries come together and fight against these politics. >>reporter: in opp areas of frankfurt clearly that fight took on a physical form. these pictures demonstrate the anger some protesters feel against the authorities and the role of the european central bank in its knewly -- newly inaugurateb buildings. >> it has always been understood that countries have to be able to stand on their own two feet. that each is responsible for its own policies. it was a difficult period of adjustment. it was first and foremost the consequence of their past decisions. >>reporter: but thoughts like that do nothing to please these

from there dominick king has the latest. >> reporter: violence in the center of frankfurt. police step in to prevent protesters from taking over the streets. the movement called on thousands of people to descend on europe's financial capital aiming to make their point about what they say as the negative impact of austerity policies. >> translator: above all, i think the ecb is a big symbol for monetary policy and capitalism here. it's very important that lots of people from lots of different countries come together and fight against the politics. >> reporter: in some areas of frankfurt, clearly that fight had taken on a physical form. police held hundreds of people in different parts of the city to prevent them committing criming. it's what protesters feel against the authorities and role of the european central bank. that brought me to the streets of frankfurt to prevent the inauguration of the europe central bank's new billion dollar building. inside the building the president of the ecb did acknowledge the protesters' point of view but said policy was not the cause of in