LONDON, Jan. 3 (Xinhua) -- Arsenal came from behind to beat West Ham 2-1 in a thrilling London derby at Upton Park for the third round of FA Cup here on Sunday.

    With just 12 minutes to go, the Gunners were behind to their Premier League rivals after Alessandro Diamanti had put the struggling Hammers ahead on the stroke of half-time.

    But in the 78th minute Aaron Ramsey equalized with a fierce shot from close range after the 19-year-old Wales midfielder had been neatly played in by Carlos Vela.

    Five minutes later Arsenal had the lead when Eduardo rose high to power in a header for the ten-time FA Cup winners.