Leila Liddle-Heckels aged 15 is still missing. She was last seen in the Headland area of Hartlepool on Monday 12th October at 7:15pm.
An additional image of Leila is now being shared in the hope it will help people recognise the missing teenager.
She was last seen wearing a black top, a shiny black puffer jacket, black leggings and possibly fluffy sliders.
It is believed she has connections in the Durham/ Newcastle areas.
Officers would ask people to please contact Cleveland Police as a matter of urgency on 101, quoting event number 167983 if they know of her whereabouts.