German police have ruled out terrorism in Munich knife attack in which the attacker wounded four people on Saturday morning.
The suspect didn't immediately give police any information on his motive.
A man with a knife attacked eight people in Munich on Saturday and then fled, police said.
A total of five men and one woman were attacked "at random" in six different places but only four of them suffered "superficial" injuries, police said. Police said he appeared to be about 40 years old and had a black bicycle, gray pants, a green jacket and a backpack.
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About three hours later, police arrested a man matching a description they had issued based on witness reports.
Police have urged people in the city to remain at home.
Mr Andrae told reporters there is no indication that an extremist, political or religious background factored into the attack. Local police described the perpetrator of the attack as a man in his forties, wearing grey trousers and a running jacket, who fled on a black bicycle.
But "absolutely no element" of the investigation leads police to believe it was a politically or religiously- motivated act of terror, he said.