A 15-year-old boy has been charged with the murder of schoolgirl Rebecca Aylward whose body was found in woodland.
Rebecca, 15, was found dead on Sunday in Aberkenfig, Bridgend, south Wales.
Another boy the same age who was arrested over her death was released without charge, South Wales Police said.
Rebecca was reported missing by her mother, Sonia Oatley, when she failed to return home to Maesteg on Saturday evening.
She was dropped off to visit a friend at about 12.30pm earlier that day in Sarn Hill, Sarn.
Her body was found at a spot said to be a regular haunt for youngsters on the outskirts of the village of Aberkenfig about 9am on Sunday.
A post-mortem examination found she died of head injuries, reportedly caused by a brick.
On Monday, detectives were granted another 36 hours to question the two local boys who were arrested on suspicion of murder.
In a statement, Rebecca's family said her younger brother and sister were devastated by her death.
They said: "Rebecca, also known as Becca, was dearly loved by all her family. She was loved by everyone including all her aunts, uncles and cousins. She will be sadly missed, she was a very happy young girl, she had an outgoing and bubbly personality."