Umpires Aleem Dar (C) (Pakistan) and HDPK Dharmasena (Sri Lanka) decide bad light must stop play much to Matt Prior's frustration (L) as he's physically helped off - England v Australia - 5th Investec Test Match - Ashes Series 2013 - Day 5 - The Oval - London - 25/08/2013 - Picture: Andrew Fosker / Seconds Left Images