A machete-wielding man shouting Allahu Akbar has killed one and injured several others after going on the rampage through a German supermarket this afternoon according to German news agency dpa and the Hamburg police. The attack happened on the corner of Fuhlsbüttler and Hermann-Kauffmann streets in the north of the city, police said. People were warned to stay away from the area. Witnesses said the attack happened at a branch of Edeka, Germany's largest supermarket chain.

#Barmbek: Ein Täter hat mehrere Personen in einem Supermarkt angegriffen & verletzt. Eine Person verstorben. Tatverdächtiger festgenommen. pic.twitter.com/TPKtqmjamp — Polizei Hamburg (@PolizeiHamburg) July 28, 2017

As Focus adds, an unknown attacker indiscriminately attacked customers in a supermarket branch in the Hamburg district of Barmbek with a knife and killed a man. After the attack, the perpetrator escaped. Witnesses followed him and informed the police. The officers were then able to arrest the man in the vicinity of the crime scene.

Bild newspaper published a photo of a man purported to be the attacker covered in blood. It said police were looking for a second man. The newspaper said the attacker began wildly striking at shoppers before being stopped by police.



According to Bild, the man shouted 'Allahu Akbar' as he launched the attack. A witness told the newspaper: 'The man has suddenly struck out on customers, there was one dead and several injured.'

The Hamburg police has confirmed the attack on Twitter. There were no details behind the attack motive.

Zum Motiv und der Anzahl der Verletzten liegen noch keine validen Infos vor. Wir werden hier weiter informieren.#Barmbek — Polizei Hamburg (@PolizeiHamburg) July 28, 2017

Local media also reports that a terror alarm had been triggered. The police also added that 'initial reports about robbery as a possible motive so far have not been confirmed.'

Germany remains on high alert following a series of terror attacks in the country last year.