Naga Munchetty
The ex-Top Gear host has claimed the BBC has thrown its chief of editorial policy "under the bus" with their decision.
The watchdog will not be investigating the matter, but criticised the BBC's lack of transparency about their complaints process.
He could be heard saying 'I am not having this' as he left the set.
"All people of colour were standing alongside you the past week," the presenter was told by guest Amrou Al-Kadhi.
The presenter has remained tight-lipped about the matter since she was first found to be in breach of the BBC's impartiality guidelines – a decision which was later overturned.
He stuck up for the BBC Breakfast presenter after the corporation's director-general overturned ruling saying she had breached their guidelines.
Director General Tony Hall steps in after backlash from colleagues.
The BBC's Director of Editorial Policy and Standards previously said the BBC "hadn't had a complaint about Dan Walker".
The former chairman of the Equality and Human Rights Commission says warnings put out to minority staff could spark harassment claims.
Dozens of stars have signed a letter condemning the broadcaster's “racially discriminatory treatment” of the BBC Breakfast host.