Berlin police detained members of the Border Defence Movement, including its leader Robert Bąkiewicz, on Monday. The arrests occurred during an attempted unauthorised march, with participants reportedly disrupting public order and resisting police. Authorities state the group lacked the necessary permits for the demonstration. Footage circulating online shows activists shouting accusations of "Gestapo" towards law enforcement officials. Polish media outlet *Fakt* reports the activists could face legal repercussions for their actions and resistance. The incident highlights ongoing tensions surrounding border security and protest regulations in Germany. Further investigation is underway regarding the extent of the disruption and potential charges.