Lewis Vaughan grabbed the second-half winner as Raith sank Alloa 2-1.Rovers went ahead in the 29th minute when Mark Stewart raced onto a long ball and lifted it over visiting keeper Craig McDowall.But the lead lasted just five minutes before Liam Buchanan turned in a cross from Mark Docherty.However, Rovers went back in front two minutes after the interval when Vaughan volleyed in Grant Anderson's cut-back.Former Newcastle striker Michael Chopra came on for Alloa with 25 minutes to go and almost forced an equaliser with a smart turn and shot which was deflected over the crossbar.