A female Sumatran serow (Capricornis sumatrensis) that was trapped by a poacher has been recently rescued by the OIC patrol team. The OIC patrol team was conducting regular patrol in Gunung Leuser National Park (GLNP) forest in Tangkahan area, Langkat, North Sumatra when encountered with a poacher with his young son who was carrying a serow. The OIC patrol team, consisting of OIC rangers, GLNP forest rangers, and local community members, immediately arrested the poachers, confiscated the serow and then released back the serow to the GLNP forests. The poacher admitted that the serow was trapped in his snare set up for wild boars. The poachers has been reported to GLNP authority for further legal action.