SEX assault detectives are investigating after a woman in her 50s was sexually assaulted at Sorrento Beach in January. The attack occurred on Wednesday, January 31, south of Hillarys Boat Harbour. The woman described the man who assaulted her as 28 to 33 years of age, fair skinned, approximately 175cms tall, with a medium build, a shaved head and light brown stubble. He spoke with a Scottish accent and had a sleeve tattoo down his left arm. He was seen wearing a black jumper and long dark pants.