JOHOR BAHRU, Jan 26 — The Johor Department of Environment (DOE) and the state Fisheries Department are investigating the pollution of Sungai Sayong in Kampung Orang Asli Sayong Pinang here, after the river turned murky and blackish yesterday.

Panti assemblyman Hahasrin Hashim said he received complaints from residents regarding the incident and immediately requested both departments to identify the source of the pollution and its impact on the environment and local fishery resources.