Concerns are growing for the people of Tonga in the wake of its twin natural disasters. While tsunami warnings have receded for many countries, an ash cloud from a spectacular volcanic explosion is still disrupting flights. Communications remain cut off, and it's unclear if anyone has died. The Red Cross in Fiji is assisting with the disaster response, but the head of the Pacific delegation Katie Greenwood tells The World they're still trying to piece together an idea of what's happening there.