# Sunway Lagoon roller coaster accident and investigation

> Live situation record from CLSTR: https://clstr.news/situations/sunway-lagoon-roller-coaster-accident-and-investigation
> Updated: 2026-08-26T04:33:23.000Z. Sources: 7. Developments: 2.

A roller coaster accident at Sunway Lagoon in Subang Jaya injured 10 visitors, including local citizens and foreign tourists. The incident involved 22 riders aged between 11 and 44 years. Sunway Group founder Tan Sri Jeffrey Cheah stated that no lives were lost and suggested the cause might be “metal fatigue,” noting there were no signs of sabotage.

Following the incident, the Department of Occupational Safety and Health (DOSH) launched a forensic investigation. DOSH Director-General Hazlina Yon indicated that the department is evaluating whether targeted inspections of high-risk machinery at theme parks nationwide are required. Authorities have officially ruled out foul play, and Sunway Lagoon management has committed to providing medical assistance and support to those affected.

## Claims

- The Department of Occupational Safety and Health (DOSH) is conducting a detailed forensic investigation into the roller-coaster incident. (corroborated by 2 sources)
- Ten visitors sustained injuries during the incident at Sunway Lagoon. (corroborated by 2 sources)
- DOSH is considering targeted inspections of high-risk machinery at theme parks across the country. (corroborated by 2 sources)
- Sunway Group founder Jeffrey Cheah suggested the incident may have been caused by metal fatigue. (single source)
- Police have ruled out foul play in the roller-coaster incident. (single source)

## Timeline

### 2026-08-26: Sunway Lagoon roller coaster incident triggers DOSH investigation

DOSH is investigating a roller-coaster incident at Sunway Lagoon that injured 10 people. Authorities are considering nationwide inspections of high-risk theme park machinery following the event.

5 sources. https://clstr.news/cluster/sunway-lagoon-roller-coaster-incident-triggers-dosh-investigation

### 2026-08-24: Sunway Lagoon roller coaster accident injures 10 visitors

Ten people sustained minor injuries during a roller coaster accident at Sunway Lagoon in Subang Jaya. Authorities are investigating potential metal fatigue as the cause.

4 sources. https://clstr.news/cluster/subang-jaya-theme-park-roller-coaster-accident-injures-10

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Cite as: Sunway Lagoon roller coaster accident and investigation. CLSTR, https://clstr.news/situations/sunway-lagoon-roller-coaster-accident-and-investigation