Gerson de Melo Machado was fatally attacked by a lioness at a zoo in Brazil on Sunday, Nov. 30 ...

The 19-year-old victim climbed up the side structure of the animal's cage in a Brazilian zoo and lowered himself into the enclosure by sliding down a tree.

Footage of the incident shows the 19-year-old scaling the upper wall and fence of the lion’s cage and then lowering himself ...