Thames Valley Police has issued a fresh appeal for a missing 15-year-old as its confirmed her two siblings have been located.

Last night (August 1) Thames Valley Police confirmed siblings TJ and Leo have been found after the first appeal was issued yesterday afternoon, but their sister, Tegan remains missing.  

The three siblings, whose surnames were not disclosed, were believed to be together.

A fresh appeal was issued on Thursday night with police asking the public to "keep an eye out for Tegan".

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Tegan, whose surname has not been disclosed, was last seen wearing light grey flair trousers and a grey crop top.

She is likely to be in the Didcot area, but also has connections to Abingdon, Oxford, Faringdon and Swindon, Thames Valley Police said. 

A statement from Thames Valley Police said: "If a current sighting, please call 999 quoting the reference number 43540366161.

"Any other information, please contact Thames Valley Police via 101."