A married couple have been arrested over the suspected murder of a domestic worker, whose body was found at the bottom of a waterfall on Monday. Hong Kong police arrested a 34-year-old man and a 36-year-old woman on Tuesday afternoon in connection with the death of a 25-year-old Southeast Asian female domestic worker, who was found dead on Monday morning at Waterfall Bay Park near Aberdeen. The man, a foreigner with a Hong Kong identity card, was apprehended for alleged murder, while his wife, a Hongkonger, was arrested on suspicion of assisting a criminal. Superintendent Sin Kwok-ming said on…