The 45-year-old admitted his performance did cost the Blues a place in the final.
Reflecting on the contentious Champions League clash in London three years ago, Ovrebo said: "Everyone who knows the laws of the game knows I should have done things differently.
"But that's the life of a referee."
Reflecting on the contentious Champions League clash in London three years ago, Ovrebo said: "Everyone who knows the laws of the game knows I should have done things differently.
"But that's the life of a referee."

