Zookeeper mauled to death by lion while feeding it after leaving safety gate open New York Post Zookeeper Mauled to Death by Lion After Leaving ‘Safety Protection Gate Open’ During Feeding: Reports PEOPLEOlusegun Obasanjo Presidential Library: Babaji Daule mauled to death by lion in Nigeria BBC.comLion Mauls, Kills Zookeeper After Safety Gate Was Left Unsecured Men’s JournalZookeeper in Nigeria mauled, killed by lion after leaving enclosure unlocked: reports USA TODAY