Downey Jr: I have 'great chemistry' with Law

The actors Robert Downey Jr and Jude Law - who star as Detective Sherlock Holmes and his sidekick Watson in director Guy Ritchie's forthcoming adaptation - have formed an instant bond, according to the 'Iron Man' star.

Following Rachel McAdams' comment that the movie's primary love story would be between the two detectives, Robert said: "It's called circumstantial homosexuality."