Vigil held at Cincinnati Zoo in tribute to slain gorilla

Vigil for a gorilla
Mourners and protesters light candles during a vigil outside the Cincinnati Zoo & Botanical Garden, Monday, May 30, 2016, in Cincinnati. Animal rights activists gathered Monday for a Memorial Day vigil for the gorilla killed at the Cincinnati Zoo after a 4-year-old boy slipped into an exhibit and a special zoo response team concluded his life was in danger.