A 17-year-old knife attacker goes on trial in Darmstadt for the Christmas-time attempted murder of his ex-girlfriend - the one of several such attacks recently.
Police shot and wounded a man brandishing a knife inside Berlin's main cathedral on Sunday but said there was no indication the assailant had a "terrorist" motive.
Berlin police said on Tuesday they were unable to rule out an Islamist background after a "deranged" Syrian knifeman was arrested over an attack in one of the German capital's underground stations.
A volatile asylum debate looked set to
reopen in Germany on Saturday weeks ahead of parliamentary elections, after a failed asylum seeker killed one person and wounded five with a knife in the northern city of Hamburg.
On Sunday evening, a 21-year-old Syrian asylum-seeker killed a woman and injured five people with a carving knife in the southwest German city of Reutlingen - the third attack to hit Germany in a week.
A man attacked passengers travelling on a regional train with a knife and an axe on Monday evening, leaving five people injured, two critically. The attacker, a 17-year-old Afghan, was killed by police as he tried to flee the scene.
A German man who killed one person and wounded three in an apparently random knife attack will be held in a psychiatric hospital not a jail, police said Wednesday.
There is no evidence that a man arrested for an early-morning knife attack outside Munich is linked to terrorist individuals or organizations, police said on Tuesday afternoon.
Germany on Friday put on trial a man accused of stabbing Cologne's mayor in the neck in a suspected violent protest against her welcoming stance towards refugees.
