Mark Chapman brings you the best of the action from Sunday's Premier League games as title hopefuls Arsenal take on struggling West Ham United in a London derby.Arsenal are aiming to win the title for the fourth time in the Premier League era. They have won six of the last seven meetings with their opponents, including a 3-1 home victory on Boxing Day, while the Hammers have defeated their visitors just once in the last eight years.In today's other contest, Manchester United travelled to take on Nottingham Forest, having already beaten them three times in all competitions this season.