A thousand people gather in front of fences blocking the street leading to the Spain's parliament (Las Cortes) during an anti-government demonstration in Madrid on April 25, 2013. Police in Madrid arrested today four members of anarchist groups suspected of plotting to set fire to a bank and 11 people who blocked access to a university ahead of an anti-government demonstration.   AFP PHOTO/ JAVIER SORIANO        (Photo credit should read JAVIER SORIANO/AFP via Getty Images)