The official notice of postponment from UKRT.

It reads "
Hanson & Hall are sorry to advise all customers booked on the UKR 02nd and 03rd October charter services that we have no choice but to postpone the operations until a later time.
This decision was not taken lightly but has been forced upon us entirely by the behaviour of a very small minority, who continue to believe it is acceptable to lean out of open windows whilst trains are in motion, putting themselves and others at great risk. Hanson & Hall have been advised by the most respected safety authorities that all efforts to finally eliminate this behaviour and secure charter operations for those who do comply with very clearly set down rules of conduct, that some alterations are required to the method of these operations.
Despite the best efforts of all parties, it has not been possible to complete the requested changes with confidence of achieving the planned dates. The safety of our customers and colleagues is the highest priority and has forced this postponement. We are working as quickly as possible to identify suitable replacement dates of operation.
If making contact with the UKR team, please be patient with them and they will do their best to help with any questions. "