Ukrainian Foreign Minister Dmytro Kuleba says that he is open to the idea of creating a safe passage for commercial ships to leave Odessa. However, he raises the point that security concerns must first be resolved, stating that "trust with Russia" to not "violate the agreement" is a key concern. Russia's ongoing blockade of the Black Sea has proved ruinous -- unleashing economic devastation in Ukraine and threatening famine elsewhere. IMAGES AND SOUNDBITES