Both countries accused each other of not providing adequate security to the minorities emigrating through their territory.
The two countries have accused each other of trying to provoke another war.
Both countries accused the other of interfering in their domestic affairs.
As a result each country accuses the other of cartographic aggression.
The three countries involved accuse one another of arming rebel groups on their territory.
Both countries have accused each other of cross-border incursions.
The countries, which remain bitter enemies, regularly accuse each other of trying to spread instability.
When one country accuses another of sporting skulduggery, after all, a major diplomatic incident is seldom far behind.
Western countries that support the talks have accused the Serbs of intransigence, and most diplomats say they expect a solution to be imposed this year.
As the infection starts to spread, countries accuse each other of engineering the virus.