In the footage released on social media, it is seen that the police were harsh with the activists they tried to detain during the intervention and punched them in some places.
The police covered the mouths of some activists, preventing them from breathing, and sometimes used pepper spray.
Police in Germany canceled the Palestine Congress, which was scheduled to take place last weekend, by cutting the power to the hall.
The Interior Ministry had also denied entry to Germany to Gassan Abu Sitte, the British Rector of the University of Glasgow of Palestinian origin, who was to speak at the congress.
The ministry also banned former Greek Finance Minister Yanis Varoufakis from participating in political activities in Germany due to his statements in support of Palestine.