Dozens of artworks and artefacts vandalised in Berlin museums

Investigators said they have watched hours of surveillance camera footage but have not found any obvious sign of anyone applying the liquid (Markus Schreiber/AP)

More than 60 artworks and artefacts at some of Berlin’s best-known museums were smeared with an oily liquid by an unknown perpetrator or perpetrators earlier this month, authorities said on Wednesday.

They are hopeful the apparently random damage can be repaired but said the motive is a mystery.