A video posted to social media shows an altercation in which Liverpool mayor Ned Mannoun is called a “slippery slimeball” by rival candidate Peter Ristevski during prepoll last week. A video posted to social media shows an altercation in which Liverpool mayor Ned Mannoun is called a “slippery slimeball” by rival candidate Peter Ristevski during prepoll last week. National / NSW Sydney Morning Herald – Latest News