Officers are appealing for information which may help in the search for missing 14-year-old, Saffron Wiggins.
Saffron is missing from her home in Harlow and officers are very concerned for her welfare, as she has not been heard from in a number of days.
Saffron has links to a number of areas including Stratford and Bow in East London and Tottenham and Camden in North London. She also has links to Reading.
Anyone who has seen Saffron is asked to call Essex Police on 101.
Meanwhile Sade Alexander, 23, is missing from Purfleet and officers are appealing for anyone who may have seen her to get in touch.
She is 5ft4ins tall and of slim build.
Sade was last seen yesterday afternoon at around 4pm near the Tank Hill Road area of Purfleet.
Officers are very concerned for her welfare.
Anyone with information is asked to call Essex Police on 101.