Malaysia's Works Ministry said in a statement on Wednesday the sinkhole developed in the area between the entrance and exit of the Bunga Raya Complex, a facility primarily used by VIP guests and dignitaries traveling through the airport, The Straits Times reported.
"While the road remains accessible to all vehicles, a traffic management plan has been implemented around the sinkhole site," the statement noted.
On-site inspections revealed that a sewage manhole belonging to the airport was located near the sinkhole, and authorities suspected that a burst sewage pipe may have caused the sinkhole, Channel News Asia reported.
Sinkholes have garnered significant attention in Malaysia recently.
Late last month, a tourist tragically fell into an 8-meter-deep sinkhole in the heart of Kuala Lumpur. Despite extensive search efforts, authorities were unable to recover her body.