KUALA LUMPUR, April 19 -- A stop-work order has been issued and investigations launched after a mud flood triggered the partial collapse of a retaining wall in Taman Tun Dr Ismail (TTDI), prompting an urgent review of slope developments in Bukit Kiara.

Kuala Lumpur City Hall (DBKL) has halted works at the Jalan Abang Haji Openg site and fined the contractor, Minister in the Prime Minister's Department (Federal Territories) Hannah Yeoh said.

"I visited the site tonight together with the Mayor of Kuala Lumpur Datuk Seri Fadlun Mak Ujud. 

"DBKL has taken immediate action in light of the emergency situation and the potential risks posed to the safety of nearby residents," she said in a statement on Facebook early today.

Emergency mea...