PASIR GUDANG, June 18 -- The Johor Department of Environment (DoE) has detected air pollution that was believed to be caused by oil residue following an inspection in Taman Tanjung Puteri Resort here.

The DoE team, from the Pasir Gudang branch, were alerted on the matter after worried resident detected a chemical odour since last Saturday.

Johor DoE director Mohd Famey Yusoff said the department's enforcement team and the Taman Pasir Putih police were despatched to the affected area following the complaints.

He said the team conducted an investigation and also monitoring at the location.

"We found that there was a strong odour resembling the smell of oil and traces of black oil residue found at the main drain of the residential area....