Hamburg police arrest 13-year old

Police in Germany have arrested a 13-year old boy on suspicion of arson, relating to the housefire in Germany’s Hamburg city, in which a Pakistani mother and her two children died.
According to information from German newspaper “Bild”, the police have arrested a 13-year old German-Indian boy, who has told the police that he is guilty.
The article says that the boy was formerly undergoing psychiatric treatment.
Investigators from the Special Commission began questioning him after speaking to witnesses.