A teenager has gone missing from Golden Cross, near Hailsham.
Police are very concerned for the safety of 15-year-old Nerys Garrett, from the town.
Nerys was last seen at midnight on Sunday (August 6).
The force say she has gone missing before and they believe she may have arranged to be picked up and headed for London.
Sussex police want to hear from anyone who may have seen her in Golden Cross around the time she went missing.
Officers are especially interested in hearing from anyone who saw the teen getting into a vehicle.
She is described as white, 5′ 5″, of slim build with long brown hair.
Nerys was wearing a grey T-shirt, ripped black jeans and white trainers.
Anyone who knows of her whereabouts or has any information about her is asked to email email@example.com or call 101 quoting the reference 795 of 07/08.