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Hamburg (dpa / lno) - In a dispute between two youth groups in Hamburg, a 19-year-old was injured by two knife stabs in the back.
The injured man came to the Bundeswehr hospital on Saturday night near the Wandsbek-Gartenstadt train station and had an operation, said a police spokesman.
The "Hamburger Abendblatt" had previously reported.
Officials arrested three of four suspects escaping nearby.
The background to the dispute was initially unknown.
© dpa-infocom, dpa: 210313-99-805434 / 2