Authorities in Germany are trying to figure out what triggered a blast at a police station in Berlin late on Thursday evening, but do not believe the explosion was part of an intentional attack. A policeman suffered injuries to his face and eye and underwent an operation in hospital overnight,

Several people intervened after the suspect began stabbing people in the German capital's Charlottenburg neighborhood, a Berlin newspaper said. A Syrian national who lives in Sweden was arrested.

Berlin police said a man was detained Tuesday after attacking and injuring several people in the city’s Charlottenburg neighbourhood. Police said two people were taken to the hospital for treatment.

Two men have been injured in a knife attack in western Berlin, German police said on Tuesday. A man reportedly attacked several people on the street in the western district of Charlottenburg, a police spokeswoman said,