There is complete radio silence/censorship that N.Korea/China would be proud of, on all the grasstrack sites about this. It's as though the meeting never happened.
I have recently acquired some old Rye House programmes from their SAL days in 1955/6.
What is curious is that all races were over 3 laps. Given that, other than very early on, races have always been over 4 laps, I wonder why this was so?