invasion of Bulgaria by North Macedonia. See also Ethnic Macedonians in Bulgaria References Sources Maknews: Interview with Stojko Stojkov, Co-President of the Five Member Executive of the OMO Pirin Political Party in Pirin Macedonia Maknews: Interview with Jordan Kostadinov, President of OMO Ilinden in Pirin Macedonia Maknews: Case of Stankov and the United Macedonian Organisation Ilinden v. Bulgaria External links Official site Article 11 of the European Convention on Human Rights Political parties in Bulgaria European Free Alliance Ethnic political parties