The son of the former German president Richard von Weizsäcker is stabbed to death inside a Berlin hospital

At the scene 

 A serious event has shocked Germany today. Foreign media reports that the son of former German President Richard von Weizsäcker has been stabbed to death.

Dr. Fritz von Weizsäcker

The shocking event happened at a Berlin hospital where Dr. Fritz von Weizsäcker, 59, had just given a lecture on liver disease.

Because of the incident, one policeman has been seriously injured, while not on duty he intervened to prevent the crime and neutralize the attacker. Despite his efforts, the doctor died on the spot because of the serious injuries.

While everything else is expected will be clarified in the coming hours.