Newcastle's round 4 of the 2013 Rotax Pro Tour has been moved to 12-14 of April. IKD issued the news today, saying the date change was due to a clash with a Young Guns event.
The 2013 AKA National Calendar, as per the latest NKC minutes:
Footage of Casey Stoner and Chaz Davies doing battle on 4-stroke karts at Kinsham Raceway in the UK recently: