The deadly landslide at the Father's Organic Farm campsite in Batang Kali, Hulu Selangor last December occurred due to slope failure following heavy and persistent rainfall, and not because of human factors.

This is according to forensic analysis of the incident, said Deputy Prime Minister Ahmad Zahid Hamidi.

"Forensic analysis found a combination of major rain (Major Cumulative Rainfall) for a period of five days and Antecedent Rainfall cumulative 30 days before the landslide occurred...