There have also been problems for ethnic Greeks and Greek expats in Odessa and Mariupol (from Australian site for those of Greek heritage in the Anglosphere -- some articles over-the-top anti-Ukranian, some extremely pro-Ukrainian, occasionally more balanced with less polemic.)
The evacuation of the Consulate General of Mariupol, as well as Greek citizens, has begun according to diplomatic sources quoted by Proto Thema. The convoy led by Ambassador Frangiskos Kostelenos departed by road from the besieged Ukrainian port city of Mariupol. The plan to escape from Mariupol...
greekcitytimes.com
These are rather on the wild side and include highly dubious rumors heard by ethnic Greek Ukrainians, but some useful info:
Greek NEWS. Breaking news about Greece its people, politics and economy from the Greek city times, the leading source of information for Greece. Greek City Times is the leading International Greek news portal and news agency.
greekcitytimes.com
The Russian Defence Ministry announced that their armed forces have captured the southern Greek-named Ukrainian city of Kherson.
greekcitytimes.com
Economist Thrasos Eftychidis, who has been living and working in the former Soviet Union for the last 28 years, expressed enormous concern for the large Greek
greekcitytimes.com
Via AFP, the Greek embassy in Kiev reported (incident happened 24 Feb):
"As tensions over an invasion ran high earlier this month, a Greek expatriate died in a clash in eastern Ukraine which Athens blamed on Ukrainian soldiers.Two other ethnic Greeks were injured, the Greek foreign ministry said."
Ten ethnic Greek civilians have reportedly been killed by Russian bombing in Mariupol.
EDIT: For those who have newly taken an interest in this conflict, there are around 100,000 ethnic Greeks in Ukraine (Greece says slightly more, Ukraine says less), mainly in Donetsk Oblast. As best I can tell, about 90% are Hellenistic Ukrainian citizens and about 10% expats/newer immigrants. For a quickie wiki history of Greeks in Ukraine:
en.m.wikipedia.org
As for Greeks in Greece, and those of Greek heritage in the West, this must wrenching, as they tend to side with their Orthodox brothers, but at the same time Greece is a NATO country siding against Russia and Greeks are also outraged at the invasion. Could explain the rather schizo one-extreme-or-the-other nature of the articles on that site.