Knife attack injures 3 in Germany's Ravensburg

File Photo Xinhua.

Three people were seriously injured on Friday after a knife attack in Germany's southwestern city of Ravensburg.

   A young man stabbed three people with a butcher knife in the city center of Marienplatz, and one of the wounded was in life-threatening conditions, according to local police.

   Patrolling police rushed to the scene and arrested the suspect.

   The local police later released a statement on its website saying the suspect was a 19-year-old asylum-seeker from Afghanistan, and he mounted the attack "for unknown reasons."

   So far there is no evidence of a terrorist attack and the investigation is going on, the statement said.