Nigeria, July 1 -- Authorities in Plateau State have tightened security at Jos Wildlife Park following repeated reports of illegal night grazing by herders within the protected conservation area.

The Plateau State Tourism Corporation said the incursions usually occur between 8 p.m. and 7 a.m., a period when staff presence at the park is minimal, leaving the facility vulnerable.

In a statement signed by Thomas Artu on behalf of the management, the corporation explained that herders often gain access through water channels and by breaking padlocks on gates along the western boundary of the park, close to the Industrial Training Fund (ITF) headquarters.

Officials warned that the activities pose serious security and environmental risks, in...