People with vehicles wait in line to attempt to refuel at a gas station of the state oil company PDVSA in Maracaibo, Venezuela, May 17, 2019. as station lines reappeared across oil-rich but crisis-stricken Venezuela this week as gasoline imports plunged and the country's second-largest oil refinery halted operations. REUTERS/Isaac Urrutia

People with vehicles wait in line in an attempt to refuel at a gas station in Valencia, Venezuela May 17, 2019. Angry drivers queued for hours in towns across Venezuela on Friday as fuel shortages worsened in the South American nation following a plunge in gasoline imports and a stoppage at the nation's second-largest oil refinery. REUTERS/Manaure Quintero

A man pushes his car in a queue to refuel with gasoline in Puerto Cabello, Venezuela May 17, 2019. Venezuelans are already struggling with hyperinflation and widespread shortages of basic goods amid a painful five-year recession. REUTERS/Manaure Quintero

People with their vehicles wait in line to refuel at a gas station of the state oil company PDVSA in San Cristobal, Venezuela, May 17, 2019. REUTERS/Carlos Eduardo Ramirez

People with vehicles wait in line in an attempt to refuel at a gas station of the state oil company PDVSA in Maracaibo, Venezuela, May 17, 2019. REUTERS/Isaac Urrutia

People with their vehicles wait in line to refuel at a gas station of the state oil company PDVSA in Ciudad Guayana, Venezuela, May 17, 2019. REUTERS/William Urdaneta