Gunmen on Sunday evening killed three policemen attached to the Ogba Zoo and Nature Park in Benin City, Edo State.
The gunmen abducted the Chief Executive Officer (CEO) of the zoo, Andrew Ehanire.
Public Relations Officer of the Edo State Police Command, Moses Nkombe, confirmed the incident.
He said the Police Commissioner has ordered an investigation into the attack and gave the assurance that the kidnappers would be apprehended and prosecuted.
Nkombe also assured visitors to the zoo of their safety as security has been beefed up at the Zoo.