April 13 (UPI) -- Cuba's fuel shortages are disrupting the distribution of humanitarian aid managed by the Catholic Church and international organizations as the island's basic services continue to deteriorate.

The crisis has particularly affected Caritas Cuba, one of the country's main social assistance channels, which relies heavily on local transportation networks to deliver food and hygiene supplies to vulnerable communities, according to CiberCuba.

Miami Archbishop Thomas Wenski told USA Today in an interview Sunday that aid shipments are being distributed through improvised means with almost no motorized transport because of gasoline shortages.

Wenski, who has coordinated aid shipments from South Florida for three decades, said Cubans have told him the island is approaching "ground zero" of humanitarian collapse.

Related