The cars of two Turkish nationals in Greece were set on fire early Monday, the state-run Anadolu news agency reported, citing sources.
The incident took place in the northern Greek city of Thessaloniki, said diplomatic sources who asked not to be named as they were not authorized to speak to the media.
The car of Serkan Buralı, commercial attaché at the Turkish Consulate, was burned in front of his house.
Arsonists targeted another car of a Turkish national working for an international organization.
Firefighters rushed to the scene but the vehicles were completely destroyed. No casualties were reported.
The Greek police and fire department have launched an investigation into the attacks.