question: twenty armed men blocked a road and tried to hijack a convoy of food for earthquake victims , but were driven off by police gunfire , u.n. officials said tuesday .

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summary: haiti food convoy attacked ; un warns of volatility

question: brazilian president luiz inacio lula da silva called sunday on rich countries to set up a multilateral body to finance the infrastructure of developing countries .

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summary: brazil 's lula seeks fund for infrastructure in developing world

question: air controllers in germany say that all restrictions for the country 's airspace have been lifted .

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summary: all restrictions for german airspace lifted

question: india 's communist parties have renewed their opposition to a landmark nuclear energy deal with the united states , saying they would force early elections if the government keeps trying to finalize it .

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summary:
indian communists threaten to force early elections over us nuclear deal