Opposition MPs have called for a special commission to be established to conduct a post-mortem on the management of recent floods which wreaked havoc in the Klang Valley and other parts of the peninsula.

A joint statement signed by 77 lawmakers from Pakatan Harapan, Warisan, and Muda said the commission's findings must then be debated and approved by Parliament.

"Since the floods have receded in most places, there needs to be...