A bison in Yellowstone National Park appeared to stumble into the scalding water of Grand Prismatic Spring, causing its death as tourists looked on during the park's busiest season. The bison fell into the hot spring at Midway Geyser Basin near Old Faithful early Saturday, a spokesperson for Yellowstone said.

Over the weekend, a bison stumbled into the Grand Prismatic while several visitors could do nothing to save it.

A bison died after falling into the Grand Prismatic Spring at Yellowstone National Park on June 1. The incident happened in front of shocked visitors. The animal stepped into the hot water and could not get out,