UPDATE | 9.24am | 25/03/2024 | Katie Clementson and Oliver Dunphy have now been found safe and well. 

Devon and Cornwall Police have thanked the public for their assistance.

A teenager missing from Cornwall since Friday morning may be with a second teenager also reported missing. 

This afternoon (Saturday) police have launched a public appeal to help find both 15-year-old Katie Clementson and also Oliver Dunphy, also 15. 

People have been asked to asked to call police on 999 if they see either teenager.

Katie was last seen at around 8.30am on Friday, March 22 wearing her school uniform, although it is suspected she may have since changed her clothes. 

She is described as a white female, between 5ft 4ins and 5ft 7ins tall and of slim build. She has blonde hair, which falls just below her shoulders.

Katie was last seen wearing her school uniform, which included black trousers, a white shirt and black blazer - however she is likely to have changed. She may now be wearing a blue Hoodrich jumper and either black jogging bottoms or blue jeans.

She also had a blue Elise backpack with her.

Katie is believed to have travelled to Plymouth and may be around the City Centre, Mutley, Lipson and Mount Gould areas. It is thought she might have stayed overnight in a tent.

She also has links to the St Austell area, including Par and Trewoon.

Police believe she may be in the company of 15-year-old Oliver Dunphy, who has also been reported missing.

Officers saying they are growing concerned for the welfare of Oliver, who was last seen in the St Merryn area of Padstow at around 9.30am on Friday, March 22, after telling people he was going for a walk.

He is described as a white male, approximately 5ft 10ins tall and of medium build.

Oliver has short brown and a piercing in his left ear. He was last seen wearing a black tracksuit top and bottoms.

As with Katie, he is believed to have travelled to Plymouth and may be around the City Centre, Mutley, Lipson or Mount Gould areas and may have stayed overnight in a tent.

Oliver also has links to the St Austell area including Par and Trewoon, with additional links to Newquay.

A spokesperson for Devon and Cornwall Police said: "Anyone who sees Katie or knows of her whereabouts is asked to call police on 999 quoting log 153 of 22 March.

"If you see Oliver or know of his whereabouts please call police on 999 quoting log 345 of 22 March."