Novak Djokovic disqualified from US Open after hitting line judge with ball

Novak Djokovic of Serbia tends to a line judge who was hit with the ball during his Men's Singles fourth round match against Pablo Carreno Busta of Spain. Djokovic was defaulted from the tournament

Title favourite Novak Djokovic was sensationally defaulted from the US Open after hitting a line judge with a ball.

The top seed and 17-time grand slam champion had just dropped serve to trail Spanish opponent Pablo Carreno Busta 6-5 in the opening set of their fourth-round match on Arthur Ashe Stadium.