KUALA LUMPUR, Sept. 7 -- The investigation into the August 22 roller coaster incident at Sunway Lagoon that injured 10 visitors could take another three to four months.

Selangor police chief Datuk Shazeli Kahar said this is because investigators are waiting for technical reports from several agencies before they can wrap up the case.

"We estimate it may take three to four months for us to obtain the findings of the investigation. This is because we need technical reports from several agencies involved," he told a news conference at the Selangor police contingent headquarters in Shah Alam.

He said police were working with the occupational safety and health department (DOSH), Fire and Rescue Department, forensic teams and other agencies ...