Islamabad. Eight people died and four others were injured when an oxygen cylinder exploded inside an ambulance in Pakistan’s southern Sindh province on Wednesday night.

According to the police, the explosion took place in an ambulance parked at a health center in Nagarparkar town of Tharparkar district.

After initial treatment, the injured have been shifted to Karachi for further treatment. Officials said that the bodies of the deceased have been kept at a local hospital for identification.

Police said that expert teams were called from Mirpurkhas and Karachi to find out the cause of the blast. The team will examine the evidence at the scene and investigate the cause of the explosion.