A youth has been held on suspicion of carrying out a serious sex attack on a nine-year-old girl.
He was arrested at a house in the Church Hill area of Redditch at about 1930 BST on Monday.
A West Mercia Police spokesperson said he would be questioned on Tuesday.
The girl and her family are being comforted by specially-trained officers.
House-to-house inquiries have been made and a forensic examination of the scene has also taken place.
Police have already spoken to a number of witnesses.