Doctor Fritz von Weizsaecker the son of German former president, Richard von Weizsaecker has been stabbed to death.
Fritz von Weizsaecker was stabbed to death while giving a lecture at Charlottenburg hospital in Berlin where he worked as a head physician, police announced on Wednesday.
According to the Police, a 57-year-old German man jumped up from the audience to attack him and an off-duty police officer who tried to intervene was seriously injured.
Mr von Weizsacker died from injuries at the scene of the Schlosspark hospital attack.
The suspect was apprehended by several people and has been arrested, police said.