A man with a knife attacked passers-by in Hamburg, the result three people had been injured, Report informs citing the Göttinger Tageblatt.

All three victims received knife wounds. The puncture wounds are up to eight inches deep, police said. The three victims were slightly injured and cared for in an ambulance. According to the newspaper, the attacker was allegedly mentally unstable.

The first attack occurred at 03.22 local time, the 23-year-old attacked the information initially at around 3.22 clock a same-age passers-by and three hours later returned to the vicinity of the scene. Then he stabbed again indiscriminately. After the third attack, the man was arrested.