RIYADH — Two Sri Lankans and an Indian have been arrested by Riyadh Police for allegedly murdering an accountant for money. One of his colleagues found the victim, also Sri Lankan, lying on the floor in a pool of blood and reported the murder to police. The forensic doctor who examined the body said the accountant had deep stab wounds in the neck. An investigation was launched immediately. Investigators identified the three expatriates as prime suspects. They admitted to the crime and said they tied up the victim, robbed him of the money in his possession and then killed him.