A 17-year-old boy has been arrested in Walsall as part of the investigation into a cyber security incident affecting Transport for London (TfL), the National Crime Agency (NCA) said.The teenager was detained on suspicion of Computer Misuse Act offences in relation to the attack, which was launched on TfL on September 1.

A 17-year-old boy has been arrested in Walsall as part of the investigation into a cyber security incident affecting Transport for London (TfL), the National Crime Agency (NCA) said.The teenager was detained on suspicion of Computer Misuse Act offences in relation to the attack, which was launched on TfL on September 1.