Co-hosts England will face defending champions Australia in the opening Group-A match of the ICC Champions Trophy Cricket tournament in Birmingham today.In a Group-B fixture on Friday night, the West Indies defeated Pakistan by 2 wickets at London. Put into bat, Pakistan were bundled out for a modest 170 in 48 overs, with Skipper Misbah-ul-Haq top scoring with a battling 96 not out.For the Windies, Kemar Roach and Sunil Narine, each bagged the maximum of 3 wickets. In reply, after getting off to poor start, West Indies overhauled the target with 56 balls to spare.Chris Gayle was the highest scorer for the Caribbean. Kemar Roach was adjudged man of the match.