U.S., Sept. 30 -- An elk went on a rampage attacking tourists in Colorado . A t least two people were injured.

Estes Park is a town in northern Colorado. It's known as a base for the Rocky Mountain National Park, home to wildlife including elk and bears. An Estes Park, Colorado, city employee is being hailed as a hero after he used his pickup truck to protect a group of tourists from a charging bull elk.

Not approaching wildlife, like an elk is true in general.

A reader said: " When we were in Yellowstone earlier this month, rangers at Mammoth frequently had to tell people to move away from Elk . But rangers can't be everywhere.

Common sense: just because they visit tourist centers or campsites does not mean you can encroach in turn.

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