One person has been killed and four others injured following a shooting late on Friday evening outside a Berlin music venue, German authorities said on Saturday.

Unknown people opened fire around 22:50 CET outside the Tempodrom, the Berlin Police said.

The Tempodrom is located near Potsdamer Platz in the centre of the city.

A 42-year-old man was killed, Berlin police spokeswoman Mona Lorenz told The Associated Press. Four others were injured, some seriously. Lorenz couldn’t confirm whether the injuries resulted from gunfire.

Investigators don’t have any indication yet about what motivated the shooting but it doesn’t appear to be terrorism-related, Lorenz said.

The suspects were able to flee.

The incident took place on a square in front of the Tempodrom as a Turkish comedy night was being staged inside.

Berlin has one of the highest number of killings per person among European capitals.