In this Feb. 23, 2019 file photo, an opposition supporter wears a message on his forehead that reads in Spanish: "Humanitarian aid now," during a demonstration urging soldiers to allow the entry of U.S. humanitarian aid, in Caracas, Venezuela.

In this Feb. 23, 2019 file photo, an opposition supporter wears a message on his forehead that reads in Spanish: "Humanitarian aid now," during a demonstration urging soldiers to allow the entry of U.S. humanitarian aid, in Caracas, Venezuela.

© 2019 Ariana Cubillos/AP Photo