Thousands of people marched on Spain's parliament to protest against a new round of cuts and tax rises.
The government is to slash government spending by almost 9% next year in a bid to shave 40 billion euros off its budget and avoid asking its eurozone partners for a bailout.
Demonstrations have so far been peaceful, unlike recent nights, but Spain faces a crisis that is as much political and constitutional as it is economic.
ITV News' Europe Editor James Mates reports from Madrid:
More top news
The bouncy castle, commissioned for the Common People festival, is taller than the Great Wall of China.
An actor from hit US series 'Glee' has been indicted on child porn charges, federal prosecutors said.
At least eight of the injured are said to be children who are thought to have been attending a birthday party at the Parc Monceau.