Marina police are seeking a man who allegedly assaulted a juvenile this week. Officials say the incident occurred Tuesday night on the 3000 block of 17th Regiment Court. The man reportedly attacked and attempted to sexually assault the victim. The victim was treated and released at the scene. The assailant has been described as a black man in his late twenties. He was last seen wearing a black hat, black hooded sweatshirt, blue jeans and black shoes. Anyone with information is to contact Marina police.