I already came back to Japan.
Yes, I read the announcement of the London gig cancellation but could not find any information about this event. I do not have a ticket.
The update should be sent to the ticket holders. So if someone has the ticket and know something about it, I would like to ask.
P.S. Thank you, Pingfah. I went your Sound Garden and EyesOfDisarray's Park Ave CDs. I bought many CDs and LPs! Every cities were interesting.