Area Police
Approximately fifty vehicles have been marked with what seems to be human blood in the Germany's city of Hanau near Frankfurt, according to authorities.
Vehicles, exterior walls and postboxes were marked, sometimes with swastikas, they reported in a release.
Law enforcement state they were alerted late on Wednesday night, when a resident noticed that a car in the Lamboy neighborhood of Hanau had been smeared with a reddish fluid.
The liquid had been applied in the pattern of a Nazi symbol, they added.
Law enforcement then located many other marked automobiles and residential walls in the surrounding area.
Swastikas are banned in Germany under laws outlawing the public exhibition of symbols from the Nazi era.
Officials say preliminary tests indicate the substance was likely human blood.
"At present there remains no clue as to its source; investigators are currently not aware of any physical harm in relation with the occurrence," they stated.
Local authorities announced they were attempting "to solve the case" and have requested to the public for tips.
A senior representative said the vandalism made him stunned and had to be addressed promptly.
"This act strikes at the very heart of Hanau and reawakens the trauma of the right-wing terrorist attack half a decade ago," he posted on a platform, mentioning the killing of nine people by a gunman focusing on residents of immigrant origin in 2020.