Some commentators in the region have linked the arrest of Mr Boljkovac to the image of the HDZ and the election, especially in the wake of the trial of Mr Sanader.

当地的一些评论员将博尔·科瓦奇的被捕与民共体的形象和大选联系起来，尤其是在其被捕发生在对萨纳德的审判之后。

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The OSCE described as unacceptable a referendum organised by the Croat nationalist party, the HDZ, and the party could face penalties as a result.

BBC: OSCE praises Bosnia elections

Many might consider such words uncontroversial, but the HDZ reacted furiously.

ECONOMIST: The problems caused when two leaders fall out

In the Croat areas of the country the results suggest that the nationalist HDZ, which has long held power in a firm grip, could also be losing ground.

BBC: NEWS | Europe | Serbs block road to Bosnian unity