First Smith broke clear to score after referee Richard Silverwood accidentally obstructed Lee Westwood's attempted tackle, then Pryce bagged a brace.
BBC: Warrington 12-40 St Helens
2.
Senior had a try chalked off by video referee Silverwood in the final five minutes, but Ablett's late score ensured the champions ended the match on a high.
BBC: Leeds 28-6 Celtic Crusaders
3.
But referee Ben Thaler referred the try to video referee Richard Silverwood, who deemed that the Crusaders' Jordan James had purposely collided into Danny McGuire in the build-up to the score.