"Many were reluctant to share their data, which made it difficult to create a comprehensive and reliable map of the underground infrastructure," he said.

Nor Hisham also believed that DBKL's current data might not be accurate as records could be outdated and unreliable.

This, he said, could lead to unforeseen delays in construction projects and pose hazards for road users and contractors.

Members of the Parliament of Malaysia, or MPs, suggested implementing a mapping system to safeguard residents in vulnerable areas.

Cheras MP Tan Kok Wai said the DBKL should reveal its early findings on the incident and address concerns whether Kuala Lumpur is safe. He agreed that there should be some form of mapping system to alert the public of areas that are prone to sinkholes.

Tan suggested revealing whether the Jalan Masjid India incident had issues related to piping, sewage or limestone cavities under the roads.

"DBKL should release a preliminary report immediately. We have different parties, professionals and even laymen discussing it, and this could cause unnecessary concern," he added.

Bukit Bintang MP Fong Kui Lun said DBKL should explain the reason behind the sinkhole. However, it must be done carefully not to cause unnecessary panic or fear.

"We need to inspect the whole area as the safety of the public comes first. The authorities must conduct a review on all the areas, even those underground.

"They can use the latest technology or machines to test the underground before coming up with the mapping," he said.

Wangsa Maju MP Zahir Hassan said DBKL should conduct public engagement from time to time and raise awareness on the warning signs for sinkholes.

"We cannot assume, for example, if there are small cracks on the pavement or road on the ground surface, there isn't a huge hole underneath.

"The public needs to know what they can or how to report if they see any signs of sinkholes. This will be a better solution to address the issue," Zahir said.

THE STAR, MALAYSIA