From BZ/dpa
According to the federal police, six men attacked and seriously injured a 34-year-old at Friedrichstrasse station.
The men got into an argument with the Ukrainian on Sunday night on a line 7 S-Bahn, the federal police said on Monday.
When he got off at Friedrichstrasse station, they attacked him with punches, kicks and a glass bottle. Then the perpetrators fled. The federal police are looking for witnesses.
Alerted emergency services had been looking for the attackers without success, it said. Rescue workers treated the injured 34-year-old. He was then taken to a hospital. The federal police initiated investigations into dangerous bodily harm.