From BBC:

On 5 December O’Donnell joked about how Danny DeVito’s recent and seemingly drunken appearance on the talk show had become international news, and how it might be received in China.

In a statement on their website, Unity has called for the show’s producer, Barbara Walters, to “publicly acknowledge that O’Donnell’s remarks were patently offensive”.

…On Thursday’s show, O’Donnell said: “To say ‘ching chong’ to someone is very offensive, and some Asian people have told me it’s as bad as the n-word. Which I was like, ‘Really? I didn’t know that.’ [Full Text]