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One dead, multiple injured after motorboat accident at Grand Canyon National Park

The incident occurred Saturday afternoon at Bedrock Rapid, which a rafting website described as dangerous because of a large rock that splits the channel.
A portion of the Colorado River in the Grand Canyon on May 3, 2015.
Part of the Colorado River in the Grand Canyon on May 3, 2015.Alex Milan Tracy / Sipa USA via AP file

One person was killed and multiple people were injured after a motorboat flipped over on the Colorado River within Grand Canyon National Park on Saturday, according to a statement posted on the park's Twitter account.

The incident occurred shortly after 2 p.m. on Saturday at Bedrock Rapid on the Colorado River, according to the park's Twitter account, which reported that emergency medical personnel were treating and transporting injured patients.

The rapid is known for a large rock island that splits the left and right portions of the channel, making it dangerous for rafters, according to the website

"You can get into trouble here by failing to make the move around the rock island and flipping off of this feature," the site notes.

A representative for the national park did not immediately respond to inquiries Sunday.

The death comes about a week after a backpacker died in the park.

Delphine Martinez, 59, of Arizona, was found dead on the park's Thunder River Trail last Sunday, when temperatures in the park's inner canyon rose to more than 100 degrees Fahrenheit, according to the park.