Police in Barking and Dagenham are still trying to locate Demi, who has been missing for over three weeks.
She was last seen on July 14 in the Dagenham area, and officers say they are increasingly concerned for her welfare.
In a statement issued at around 8am today (August 7) via X (formerly Twitter), Barking & Dagenham Police (@MPSBarkDag) appealed for the public to come forward with any information that could assist in finding Demi.
The post said: “Police are still looking to locate Demi, 13 as we have concerns for her welfare.
“She was last seen in Dagenham on Monday, July 14.
“If you have any information please contact police quoting the reference 01/7736247/25.”