1. ‘Avoid Northern Line’ warning as tree blocks Overground services into Euston – live  London Evening Standard
  2. Northern Line delays: TfL yet to identify fault behind signal failure  The Times
  3. TfL urges commuters to ‘avoid’ entire line due to severe delays  The Independent
  4. London Underground commuters faced severe delays through morning and evening rush hour  MyLondon
  5. ‘Avoid service’ as Northern line faces severe delays for THIRD day  Newham Recorder