The only senior police officer held accountable for the massive breach of civil rights that occurred during the turbulent G20 summit in Toronto seven years ago has lost his bid to overturn professional misconduct findings against him and instead will face stiffer punishment.

The high-ranking Toronto police officer reprimanded for his conduct during the 2010 G20 summit is appealing his conviction.

The lawyer for the top officer who gave illegal arrest orders at the G20 summit in Toronto six years ago says firing him would be patently unreasonable.