Mark Chapman presents action from the fourth-round ties, including Manchester City v Fulham at Etihad Stadium and Tottenham Hotspur v Brighton & Hove Albion. The Citizens went into this stage as the cup favourites, but had to be wary of a Fulham side in free-scoring form, while the all-Premier League clash between Spurs and the Seagulls promised to be one of the round's most closely fought encounters.