Harvey was last seen at around 11.55am on Sunday (March 2).
Anyone with information about his whereabouts is asked to call 999 and quote reference 01/7221805/25.(Image: Met Police)
Police did not issue a description of Harvey, but pictures show a boy with curly brown hair.
A Metropolitan Police spokesperson said: “We are appealing for information to locate HARVEY from Croydon.
“He was last seen at around 11:55HRS on Sunday 02/03/25. Anyone with information is asked to call 999 quoting 01/7221805/25.”