According to police, four people were injured in a knife attack in Vienna.

According to initial reports, a 35-year-old first grabbed a knife in a snack bar and then randomly attacked several passers-by outside, the police said on Tuesday.

The suspect Austrian was arrested.

"A political or religious motive is considered unlikely after initial investigations," said the police.

None of the four victims - two women and two men between 48 and 64 years of age - are in mortal danger.

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