Women holding lit candles pay tribute to victims of earthquakes in Venezuela at Plaza Estado del Vaticano in Buenos Aires, July 1. AFP-Yonhap

LA GUAIRA, Venezuela — Hope of finding more survivors faded Wednesday as Venezuela marked a week since twin earthquakes killed almost 2,300 people, while many who lived through the disaster were running desperately short on food.

As the death toll mounted, Venezuela's interim president Delcy Rodriguez declared seven days of mourning, saying the country's "soul is torn apart by the human losses."

Tens of thousands of people remain unaccounted for.

The majority of collapsed buildings in the hardest-hit city of La Guaira, just north of Caracas, have been marked with the letter 'D' for 'deceased' — a sign they had been searched with no signs of life found.