Investigation launched after former tennis star James Blake accuses NYPD of excessive force

Internal affairs detectives are investigating claims by former tennis professional James Blake that he was thrown to the ground and then handcuffed while mistakenly being arrested at a New York hotel.

Blake, who is biracial, told the Daily News he was not sure if he was arrested because of his race but said the officer who put him in handcuffs inappropriately used force.