A 19-year-old is said to have seriously injured his mother's partner in Konz (Trier-Saarburg district) in June with a knife.
The public prosecutor's office in Trier has now brought charges against attempted manslaughter and dangerous bodily harm.
The man was sufficiently suspicious, said the authority.
Trier - According to the investigations, the accused is said to have smashed a window of the partner's apartment with a paving stone, initially when he was heavily drunk.
When the 53-year-old opened the door, the 19-year-old is said to have stabbed - according to the public prosecutor's office with intent to kill.
The 19-year-old then fled.
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Investigation into the violence in Delmenhorst
After the violent death of a 23-year-old man in Delmenhorst, the police are now investigating a possible assistant to the alleged perpetrator.
It is a 43-year-old man from Delmenhorst, as the police announced on Tuesday.
The man is suspected of aiding and abetting.
He was therefore already in custody on Monday.
Investigation into the violence in Delmenhorst
Son attacks father and is taken to a psychiatric hospital
After an attack on his own father, a man was admitted to a psychiatric hospital in Upper Bavaria.
The 32-year-old had seriously injured his father in the common apartment in Rimsting (Rosenheim district), the police said on Monday.
Neighbors overheard the argument on Saturday evening and notified the police, it said.
Son attacks father and is taken to a psychiatric hospital
Man is said to have killed 23-year-olds in Delmenhorst
A man is stabbed in Delmenhorst and dies.
A woman is badly injured.
The police arrested a suspect in Bremen - much is still unclear for the investigators.
Man is said to have killed 23-year-olds in Delmenhorst
The seriously injured alerted the police, who arrested the accused German in Wiltingen that evening.
The victim was operated on for life-threatening injuries.
The public prosecutor announced on Tuesday that the motive was probably long-lasting tensions between the men.
Due to the alcohol content of 2.2 per mille, the authority assumes that there is less culpability.
dpa
