<div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Dozens of people have been involved in a brawl in front of children at a greyhound track in Sydney's north-west.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The fight at Richmond broke out on a night advertised for kids to go and meet Santa.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>In video of the fight, a single person runs from a violent scene playing out off-camera before a group of men come tumbling into view.</span></div></div><div><div id="adspot-mobile-medium"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE:</span></strong><span> </span><a href="https://www.9news.com.au/world/plane-catches-fire-at-south-korean-airport/9746b322-68c7-475f-8fd1-f40b0558757a" rel="" target="" title=" At least 85 dead after plane crashes at South Korean airport"><strong><span>At least 85 dead after plane crashes at South Korean airport</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>They can be seen tackling each other to the ground and throwing punches at Richmond Race Club in Londonderry, five days before Christmas.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Witnesses run or back away as the brawling group spreads.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>A child comes close to the violence, holding on to a woman's pocket, seconds before another punch is thrown</span></div></div><div><div class="OUTBRAIN" data-reactroot="" data-src="//www.9news.com.au/national/richmond-greyhounds-sydney-brawl/69cdcf49-81e7-4f16-a31a-c87cfdfe4b50" data-widget-id="AR_5"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Security leads one man away and the fight starts to slowly die down.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Some walk away and others check on an injured man, lying on the ground.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>He was taken to Nepean Hospital in a stable condition with a head injury.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The event was billed as a "kids party" - with entertainment, food and gifts.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The night ended with police speaking to at least three men aged in their 20s and 30s.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>No charges have been laid.</span></div></div>