The incident occurred on the street near the regional court where a high-profile murder trial was underway regarding a professional boxer who was murdered last year.
According to the police, it cannot be ruled out that there is a connection to the trial.
The injured were taken to the hospital. The police have no information about their condition.
Eye witnesses say that the police officers outside the courtroom suddenly screamed:
"Someone is shooting outside".
The police also report that weapons have been found that are suspected to have been used in the shooting.