While Former Yugoslav Republic of Macedonia (FYROM) Premier Zoran Zaev offered aid to Greece during a series of wildfires that killed at least 82 people, others in his country used social media to vent hate at Greeks.

That came in the aftermath of a deal between the countries which would let FYROM be called North Macedonia, but which has found opponents there who want to be known only as Macedonia, the name of an abutting ancient Greek province.

FYROM prosecutors are investigating social media posts and comments that used racist and xenophobic language over the fires, and is gathering evidence to determine if any of the language violated the country’s laws.

Most of the messages coming from FYROM were in support of the Greeks and offered condolences as well as sympathy and offers of help, but many others were invective-filled rants of hate and vicious insults.