A publishing house and a diplomatic car were attacked in central Athens on Friday, according to local media reports.
The incident on Friday afternoon took place in the capital’s Kolonaki district.
A group of around 20 masked people reportedly broke into a building on Pindarou Street before ransacking a series of offices on the second floor belonging to the Eleftheros Kosmos publishing house.
A car with diplomatic plates was then targeted.
Greek police are investigating.