All-rounder Fabian Allen clobbered three sixes off the penultimate over to lead West Indies to a nervy three-wicket win against Sri Lanka in the final Twenty20 International on Sunday. Chasing a modest target of just 132, the two-time world champions struggled in the run chase as their star trio of Chris Gayle, skipper Kieron Pollard and Dwayne Bravo all flopped. Allen's three