Northern white rhino put down at San Diego zoo leaving just three worldwide

Safari park said Nola, 41, had arthritis and a bacterial infection linked to an abscess in her hip, leaving just three elderly animals in Kenya

One of only four northern white rhinos believed left in the world has died at the San Diego zoo safari park.

Nola, a 41-year-old female who has been at the park since 1989, was put down on Sunday after her health worsened, a statement from the zoo said.