German police say attacker fled supermarket in Barmbek district before being tackled by passersby and arrested
One person has been stabbed to death in a Hamburg supermarket and four people have been injured after being attacked by a man wielding a knife.
German police said the suspected attacker fled the shop in the Barmbek district of the north German city and headed towards a metro station, but was followed by eyewitnesses who tackled him to the ground. The man was then arrested by plainclothes police officers. The man was slightly injured.