JITRA: A total of 61 Sekolah Menengah Agama (SMA) Nurul Islam students from Ayer Hitam near here were being treated at hospitals and clinics after inhaling sulphuric acid fumes following a spill on Tuesday (April 12).

Kubang Pasu district police chief Supt Rodzi Abu Hassan said the spill occurred around 10.30am when three workers from a contractor company were moving and transferring barrels of expired sulphuric acid.