People line up to buy food at a supermarket in San Cristobal

People line up to buy food at a supermarket in San Cristobal

People line up to buy food at a supermarket in San Cristobal, about 410 miles (660 km) southwest of Caracas, February 27, 2014. U.N. Secretary-General Ban Ki-moon and Pope Francis called on Wednesday for an end to violence in Venezuela that has killed at least 13 people and urged politicians to take the lead in calming the nation’s worst unrest in a decade. REUTERS/Carlos Garcia Rawlins (VENEZUELA – Tags: POLITICS CIVIL UNREST BUSINESS)