After the disappearance of a 14-year-old boy in Wunstorf near Hanover, the police are investigating a boy of the same age on suspicion of a homicide.
The also 14-year-old youth gave appropriate information, said a police spokesman on Wednesday.
He was taken into custody and is being questioned.
The police initially did not provide any further information.
On Tuesday evening at 6.45 p.m., a 14-year-old from the small town was reported missing.
The search measures were intensified after the other boy's clues in the night.
However, it cannot be ruled out that the missing child will still be found alive, the spokesman emphasized.
The forest, which more than 100 emergency services are currently combing, is near an industrial park.
In the south it borders on the Mittelland Canal.
Because of the search, the Hanover – Wunstorf railway line was temporarily closed.
Deutsche Bahn tweeted that delays and partial failures were possible with several regional trains.
According to the police spokesman, the missing persons case became a suspected homicide during the night.
Because the suspect is very young, his interests worthy of protection must be taken into account.
Among other things, he could only be questioned in the presence of his parents.
According to criminologists, homicides involving very young suspects are not common.
In Braunschweig, however, a 14-year-old has been on trial since the end of December.
Together with a classmate who was 13 at the time, he is said to have insidiously murdered a 15-year-old girl from Salzgitter.