Fritz von Weizsäcker, the son of the late German President Richard von Weizsäcker, was stabbed to death during a medical lecture in Berlin. Another person was seriously injured in the attack. Fritz von Weizsäcker, the son of the late President Richard von Weizsäcker, was stabbed on Tuesday in a lecture in a Berlin hospital, said the local police.
The police arrested the attacker with the help of relatives of the crowd. Another person in the audience, who the police said had been there privately, was also badly injured as he tried to stop the attacker. This person was taken to another hospital for treatment, said the Berlin fire department on Twitter.