The suspect who stormed into a supermarket in Hamburg, Germany, and killed one person with a knife was known to authorities, the city's interior minister has said.
The man, who also injured several others in the attack, was known to authorities as an "Islamist" according to the city-state's interior minister Andy Grote.
"He was known as an Islamist but not a jihadist," said Mr Grote, noting "there are indications of radicalisation".
He added that while there could have been an Islamist motive for the attack, the suspect also suffered from psychological problems.
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"It remains unclear which was the overriding element," he said.
Police said the 26-year-old attacker is a failed asylum seeker, born in the United Arab Emirates, and could not be deported because he had no identification papers.
Police piecing together the assault yesterday said the man had entered the supermarket and took a kitchen knife measuring around 20cm from shelves.
"He ripped off the packaging and then suddenly brutally attacked the 50-year-old man who later died," said police spokeswoman Kathrin Hennings.
He later wounded two other men in the supermarket before fleeing, injuring others along the way, before he was overpowered by passers-by.
