MUMBAI: Animal experts have stated that continuously teasing zoo animals, especially large animals like elephants, and trespassing into their territories are the main provocations that cause the animals to react, sometimes fatally.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/zoo-enclosure-saddest-place-earth-elephant
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-mumbai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/animal-cruelty
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/zoos
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/elephant
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ngo
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/peta
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mumbai