Two individuals believed to be involved in the acid attack on a spa operator here on May 17 have been released on police bail.Bachok police chief, Superintendent Mohamad Ismail Jamaluddin, said the suspects, a man and a woman, were released yesterday."So far, they have not been charged. They were released on police bail while awaiting reports from the Chemistry Department and the Royal Malaysia Police (PDRM) Forensics Laboratory."Both suspects were released yesterday evening. One more suspect is still being traced," he said when contacted. In the May 17 incident, a spa operator was splashed with a liquid believed to be acid by an unknown individual near a convenience store in Beris Kubur Besar, Tawang.The victim sustained severe burns to her shoulder, back, arms and legs, and is currently receiving treatment at Universiti Sains Malaysia Specialist Hospital (HUSM).Following the attack, two suspects aged 38 and 45 were detained to assist in the investigations.