POLICE want to speak to a boy about an attack on two young girls as they rode the bus from Bicester.

Thames Valley Police has issued a photo of the boy following the assault on Saturday afternoon.

The girls, aged 11 and 12, were travelling on the S5 service between Manorsfield Road in Bicester and Ploughley Road in Ambrosden.

Police officers have not revealed details of the assault, which happened between 4.55pm and 5.15pm. 

Anyone who recognises the boy or has information about the incident can ring police on 101 or Crimestoppers anonymously on 0800 555 111.