After a bloody argument between a young couple in Essen, a 22-year-old was arrested for dangerous physical harm.
She is suspected of having inflicted a life-threatening cut injury to her 25-year-old friend in an apartment on Tuesday, the police said on Wednesday.
She was found in the apartment with a stab wound and was also taken to a hospital by the police.
Essen - Witnesses had reported the couple initially quarreled.
Then it should have come to a physical argument.
The police were then alerted.
The investigation continued.
dpa