Beatriz Silva, 74, wears a sign that reads in Spanish: "In Venezuela, there's nothing" as she joins a protest in Caracas, Venezuela, Saturday, Aug. 8, 2015. Anti-government protesters are denouncing food shortages and violence. (AP Photo/Ariana Cubillos)
Protesters shout as they carry a banner featuring food products that are hard to find in grocery stores, with the Spanish words: "Wanted" in Caracas, Venezuela, Saturday, Aug. 8, 2015. Anti-government protesters are denouncing food shortages and violence. (AP Photo/Ariana Cubillos)
Protesters carry a fake coffin covered with a Venezuelan flag, to symbolize those who died a violent death as they march in Caracas, Venezuela, Saturday, Aug. 8, 2015. Anti-government protesters are denouncing food shortages and violence. (AP Photo/Ariana Cubillos)
A protester holds up an oversized, fake 100 Strong Bolivar bill covered with the Spanish word "Hunger" during an opposition march Caracas, Venezuela, Saturday, Aug. 8. 2015. The 100 note is Venezuela's largest bill, which is just enough money to buy a cup of coffee or soda. Anti-government protesters are denouncing food shortages and violence. (AP Photo/Ariana Cubillos)
A woman holds a sign that reads in Spanish :"Against hunger and crime" during an anti-government march in Caracas, Venezuela, Saturday, Aug. 8, 2015. The country's opposition coalition called for the march after a man was killed and dozens arrested amid the looting of several grocery stores in an industrial town. (AP Photo/Ariana Cubillos)