Bosnia's prosecutors on Wednesday ordered federal police to bring in ethnic Serb leader Milorad Dodik for questioning as part of an investigation into his alleged flouting of the country's constitution.

Bosnian prosecutors have ordered the detention of three top Bosnian Serb officials over a series of separatist actions in recent weeks that have heightened tensions in the Balkan country

Bosnia's Serb Republic on Thursday pushed ahead with separatist reforms in violation of the country's constitution, and its pro-Russian leader Milorad Dodik publicly goaded state prosecutors one day after they issued a warrant for his arrest.