ST JOHN'S, Antigua (CMC) - A 35-year-old man remains under police guard in hospital as investigations continued yesterday into the murder of a 45-year-old Jamaican hairdresser on Saturday night.Police said the man is the main suspect in the death of Simone Whyte, whose throat was slashed on a street in the heart of the capital.Whyte was pronounced dead at the scene. She is the ninth person murdered here this year.