Police are growing increasingly concerned for the welfare of an 18-year-old from St Leonards.
Sarah Clarke was last seen at her home around 6.30am on Sunday (May 28) but failed to return home that night, say police.
She is described as white, 5ft 6ins tall, of medium build, with long straight auburn hair. She has blue eyes and wears glasses.
When last seen police say she was wearing jogging bottoms.
Anyone who sees Sarah or knows of her whereabouts should call police on 101 quoting serial 358 of 30/05. If she is in danger or in need or urgent medical attention call 999.