MADRID, Oct. 6 (Xinhua) -- Robert Lewandowski scored a first half hat-trick as Barcelona won 3-0 at home to Alaves, ensuring they go into the international break as La Liga leaders with a three-point advantage over Real Madrid.
Barcelona faced an injury setback when Ferran Torres left early with a suspected torn hamstring. Lewandowski then capitalized on two assists from Raphinha, scoring on six, 21 and 31 minut
