Member for Carshalton and Wallington said, the Mayor can thus get his budget through the assembly by using *** a one third blocking minority, *** which is most of the Labour group and the odd Green ... The combination of that blocking minority and proportional representation means that the Mayor is largely unfettered.

http://www.parliament.the-stationery-office.co.uk/pa/cm20060...


Hezbollah and its allies have been insisting on a one-third, blocking minority in the government for over a year, holding a prolonged sit-in in downtown Beirut to back up their demands.

http://yalibnan.com/site/archives/2007/12/us_france_frust.ph...


Hizbullah and Aoun appear to be aiming for a one-third blocking minority in government.

http://weekly.ahram.org.eg/2006/817/re53.htm


Serious questions about "independence and impartiality" of the judiciary were raised by the constitutional court's rulings on the presidential election. The ruling that a two-thirds parliamentary quorum was needed in the first two rounds, which blocked foreign minister Abdullah Gul's election, and the court's introduction of a one-third blocking minority, "led to strong political reactions and allegations that the Constitutional Court had not been impartial".

http://www.dailyestimate.com/print.asp?idarticle=12213



He has been stepping up the pressure by withdrawing Hizbollah ministers from the government, demanding new elections and the creation of a "national unity government" that would give the group and its allies *** a one-third blocking veto*** in the cabinet.

http://www.eastwestdebt.co.uk/ewd-publications/lebanon.html

Earlier this month, Hizballah General-Secretary Hassan Nasrallah issued an ultimatum to the Lebanese government of Fuad Siniora. Either, Nasrallah declared, his movement and its allies are granted *** a one-third blocking veto *** in the Lebanese Cabinet, or Hizballah supporters will be sent onto the streets to begin a campaign of public pressure.
http://www.analyst-network.com/article.php?art_id=1038









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Note added at 3 hrs (2008-07-21 14:42:47 GMT)
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Blocking minority:

A blocking minority is the number of votes needed to block a decision to be made by qualified majority voting.

http://en.euabc.com/word/94