Officers are appealing for information to help them find missing a missing child.
Jessica Bitmead, who is 17, was last seen in the Medway area at around 8pm on Saturday, 11 May 2019.
She is around 5ft tall with a slim build and long brown hair. She also has brown eyes and was last seen wearing blue jeans and a black jacket.
She is known to frequent Kent, London and Essex using the rail network to travel around.
PC Martin Brown, from Kent Police, said: ‘We are concerned for Jessica’s safety and urge anyone with information about where she might be to contact us.’
Can you help? If you have any information about where Jessica might be please call Kent Police on 101, citing reference 11-1983.