AlQa'dah 23, 1432, Oct 21, 2011, SPA -- A summit between the European Union and China that was scheduled for next Tuesday in China to discuss trade relations, the euro zone crisis and the November G20 meeting has been postponed, an EU source said on Friday, according to Reuters. The source gave no reason for the decision, but European Union leaders are expected to hold a summit on the euro zone crisis in Brussels on Wednesday. -- SPA