Alfonso Thomas couldn't add to his wickets in the first half of the second day © Getty Images

Alfonso Thomas removed Sam Robson in his second over © Getty Images

Alfonso Thomas poses after taking four wickets in four balls © Getty Images

Alfonso Thomas is congratulated on his hat-trick © Getty Images

Alfonso Thomas celebrates his fourth wicket in four balls © Getty Images

Michael Yardy was bowled by Alfonso Thomas © Getty Images

Alfonso Thomas hit a defiant 26 not out © Getty Images

Alfonso Thomas removed Dale Benkenstein for a duck © PA Photos

Alfonso Thomas is thrilled after taking a catch © Getty Images

Perth Scorchers' Alfonso Thomas took 4 for 8 © Getty Images

Alfonso Thomas took two wickets in the first over of the match © Getty Images

Alfonso Thomas celebrates the wicket of Lou Vincent © Getty Images

Alfonso Thomas shakes hands with Johan Botha © Associated Press

Alfonso Thomas celebrates after hitting the winning runs © Associated Press

Alfonso Thomas was caught at short leg to the last ball before lunch © PA Photos

Alfonso Thomas, bowling for Somerset in 2011 © PA Photos

Alfonso Thomas celebrates Somerset's win over Hampshire in the One-over Eliminator © Getty Images

Alfonso Thomas is pumped up after getting Shane Watson early © Associated Press