The Cyprus Post announced on Monday that acceptance of postal items to Russia and Belarus is suspended for all services.
This excludes the courier service Quickpost, it announced.
Meanwhile the Quickpost courier service to Ukraine has also been suspended.
However, traditional services such as letter mail, parcels and Ems/Datapost continue to forwarded to Ukraine through a third country.
The announcement comes on the heels of the decision to shut EU airspace to Russian planes, announced late Sunday night.
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