Perak Water Board (LAP) had been ordered to shut down its Ayer Ganda Water Treatment Plant immediately, following the discovery of arsenic in treated water channeled to 1,500 people at Kampung Ayer Ganda, Gerik in the state.

The water treated there comes from Sungai Rui, which was found to contain high levels of heavy metal, said National Water Services Commission (Span) chairperson Charles Santiago...