Fritz von Weizsäcker, son of the former Federal President Richard von Weizsäcker, was stabbed during a lecture in a Berlin clinic. According to a police spokeswoman, he was suddenly attacked by a man. About 20 spectators came to the lecture. A man from the auditorium who was said to have been a police officer who was there privately was said to have intervened and been seriously injured.

Von Weizsäcker died on the spot, the suspect was arrested. The identity of the attacker as well as his motive are unknown, the homicide commission has started investigations. According to police, several people from the audience helped arrest the perpetrator and hand him over to the police.

The incident took place at 6:50 pm in the Schlosspark-Klinik near the Charlottenburg Palace. Fritz von Weizsäcker was chief physician of the Department of Internal Medicine I at the clinic since 2005. According to the website, there are regular events in the clinic, which are usually addressed to interested medical laymen. For Tuesday evening was scheduled by Weizsäcker's lecture on the topic of fatty liver.

FDP leader Christian Lindner, who was friends with the murdered, wrote on Twitter, he was stunned by what happened. He described Fritz von Weizsäcker as a "passionate doctor" and "fine man".

The father of the murdered, Richard von Weizsäcker, was mayor of Berlin from 1981 to 1984 and president between 1984 and 1994. Thus he was from 1990 first president of the reunified Germany. He gained international recognition in 1985 with his speech on the 40th anniversary of the end of the Second World War, with which he contributed to the culture of remembrance of the crimes of National Socialism. He died on January 31, 2015 at the age of 94 years in Berlin.