PASIR GUDANG, July 23 -- Bird droppings found on the upper floors of SK Tanjung Puteri Resort here could be one of the pollutants causing students and staff to fall sick and suffer breathing problems, Johor executive councillor Mohd Khuzzan Abu Bakar said today.

The state health, culture, and heritage committee chairman said the state government is not ruling out the birds and other hygiene issues at the school for the spate of health problems in the industrial district.

"This is one of the contributing factors that may have triggered symptoms of breathing difficulties and vomiting among the students," he said, pointing to the bird droppings covering the floor of some of the unused classrooms at the school's upper storeys.

"It's not ce...