Soaring fuel and food prices posed a stiff challenge to EU leaders gathered for a summit in Brussels on Thursday, amid clear divisions over how to respond to growing calls for intervention.With record crude oil prices nudging 140 dollars a barrel, Europe has seen waves of protests against the soaring cost of fuel in recent weeks, led by increasingly militant fishermen, farmers and truckers.At the same time, consumers have seen their purchasing power also pinched by the rise in food prices, which increased 6.4 percent in May over one year in the 15 countries sharing the euro.Ahead of the summit in Brussels, French President Nicolas Sarkozy has called on the EU to consider capping value-added tax on oil to provide some consumer relief.