raid last night, police say they have confiscated 50-pound of marijuana "action news" reporter annie mccormackeadquarters with the details, annie. >> reporter: walter and sarah it it was a small rally with that i wrapped up about an hour ago, about 22 people were arrested participants are de fending the event but cities licenses and inspections department says that it is not just these pot, that was seized that made this an illegal party. they say that the warehouse where it was held was just not safe, including several issues the fire alarms did not work. protesters to day outside police headquarters in support of the almost two dozen a rested during what has been dubbed, a philly smoke session , inside of this kensington warehouse, in the 4500 block of werth street. people inside told "action news" last night, that this is the invitation, for what they called the spring fling vip event. this man, not arrested defended it. >> this is philly smoke obsession this is, you know, cannabis community of philadelphia is a community that likes to help people that likes to help patients, and, you know,