Mountain Lions
Kyle Burgess said he'd stumbled upon the mountain lion's cubs during a trail run in Utah's Slate Canyon.
There have been four mountain lion attacks on children in California over the past 16 months.
Travis Kauffman tells the tale of how he took on a mountain lion which had been tracking him as he walked a mountain trail. He had to jam his foot onto the animal's neck and hold it there until the cat quit thrashing and died. Colorado Parks and Wildlife officers retrieved the dead cat and Kauffman was taken to hospital.
She heard him screaming in the back garden.