National Rail Enquiries and Chiltern Railways websites crash as mass walkout begins
![National Rail Enquiries and Chiltern Railways websites crash as mass walkout begins](https://i2-prod.birminghammail.co.uk/incoming/article24279344.ece/ALTERNATES/s615/0_JHP_MDM_210622STIRKE_11.jpg)
Signal failures between London Euston and Rugby, and London Paddington and Heathrow on Monday night, added to the chaos in the run-up to the strike
Signal failures between London Euston and Rugby, and London Paddington and Heathrow on Monday night, added to the chaos in the run-up to the strike