Seydou Keita scored a hat-trick as Barcelona thumped Real Zaragoza 6-1 to move three points clear at the top of the Primera Liga on Sunday. Barcelona capitalized on Real Madrid's goalless draw with Sporting Gijon on Saturday to move ahead of their arch-rivals. Malian midfielder Keita opened the scoring on 24 minutes and striker Zlatan Ibrahimovic doubled the lead five minutes later. Former Sevilla man Keita added the third five minutes before the break before Ibrahimovic scored his second of the night in the 56th minute to kill off Zaragoza hopes. It was the Swedish international's seventh league goal which took him join top of the scoring charts. Jorge Lopez notched a consolation for Zaragoza but Argentine forward Lionel Messi and Keita, who completed his hat-trick, heaped more misery on the visitors with two goals in the last ten minutes. The match's goals Barcelona's first goal Barcelona's second goal Barcelona's third goal Barcelona's fourth goal Zaragoza's goal Barcelona's fifth goal Barcelona's sixth goal