On the way to the disco, a group of four young people was attacked and robbed on Saturday.
Two men with skull masks had ambushed the quartet in Neukalen (Mecklenburg Lake District).
They threatened the four victims - two men and two women aged 18 and 19 - with a knife and demanded cash.
Neukalen - Only two of them had money with them that they gave to the robbers - a total of significantly less than 100 euros, as the police announced on Sunday morning.
The perpetrators escaped unrecognized.
dpa