International Election Observation Mission: Presidential Election, Republic of Belarus, Organization for Security and Cooperation in Europe, March 21, 2006 [reporting that despite the presence of 500 international observers, harassment and detention of political activists was rampant]. Excerpt:
It is clear that this election did not meet OSCE commitments and international electoral standards. The arbitrary abuse of state power, obviously designed to protect the incumbent President, went far beyond acceptable practice. The incumbent President permitted State authority to be used in a manner which did not allow citizens to freely and fairly express their will at the ballot box.
Read the full text of the preliminary report [PDF]. Reported in JURIST's Paper Chase here.