F3 race cancelled as F1 Belgian GP coming under increased threat racingnews365.comFeature Race red-flagged after adverse weather at Spa Formula 1FEATURE RACE: Benavides heads field after Red Flag stoppage in Spa fiaformula3.comExtreme weather conditions force race cancellation at Spa: bad news for F1? GPblogSpa-Francorchamps Free Practice & Qualifying rescheduled fiaformula3.com