Live coverage as Arsenal host Leeds United in what promises to be a fascinating FA Cup tie, with a place in the fourth round at stake.No team has won the FA Cup more than Arsenal, who have lifted the famous trophy 13 times. But the Gunners have had a disappointing first half of the season, one that cost head coach Unai Emery his job. Leeds, meanwhile, have been in great form and are on course for a return to the Premier League after a 15-year absence.It's half a century since Leeds's FA Cup purple patch, when they reached the final three times in four years, but they will come to the Emirates confident of upsetting their top-flight opponents. And all Leeds fans will know that the high point of that early 1970s run came in 1972, when they won the FA Cup for the first and only time after beating Arsenal in the final.