Human rights watchdog Amnesty International has warned against “systematic attacks and restrictions” on freedom of assembly in many European countries, in a new report released on Tuesday. Titled “The state of the right to protest in 21 countries in Europe,” the report reveals “a continent-wide pattern of repressive laws, use of unnecessary or excessive force, arbitrary arrests and prosecutions” as well as “unwarranted or discriminatory restrictions,” the human rights watchdog said. In addition, an increasing use of “invasive surveillance technology” can be observed, which Amnesty said leads t…