A 13-year-old boy allegedly killed a homeless man at the port of Dortmund. Mobile phone video shows how the boy allegedly hit the man with a knife.

Autopsy revealed that the victim, a 31- year-old, was killed by multiple stab wounds. It is certain "that the fatal stabbings were inflicted by one of the children under the age of criminal responsibility", the authorities said. The boy is believed to be in the custody of the local police force in Dortmund.