19-year-old is said to have killed his parents and brother with a knife. Parents died after the alleged attack at the scene of the crime, an apartment building.
The suspect's sister was seriously injured on Tuesday evening, the police and public prosecutor's office announced on Wednesday. The background to the bloody act initially remained open. Where exactly the attack took place also remained unclear. According to the information, the suspect has German and Italian citizenship. The investigation is still ongoing, police said.