Unprecedented flooding conditions force Yellowstone National Park to close all entrances and leave locals trapped

Yellowstone National Park will remain closed to visitors through at least Wednesday due to dangerous flooding conditions, which have prompted park evacuations and left some in surrounding communities trapped without safe drinking water, officials say.Yellowstone National Park will remain closed to visitors through at least Wednesday due to dangerous flooding conditions, which have prompted park evacuations and left some in surrounding communities trapped without safe drinking water, officials say.