The police in Oslo, Norway, has stormed and raided the autonomous centre Blitz after the anti-nato demos thursday.
According to the police they were looking for "explosives".

Around 240 people were mass arrested by the police when retreating from the demo site. They were pinched in by the police, gassed and forced to pass through the police lines one at at a time to get arrested.

photos:  http://www.nettavisen.no/innenriks/article993562.ece