Police have issued footage of a fracas that lead to a serious assault outside a house party in Giralang on October 4. 

Between 8.15pm and 8.45pm an altercation started when a  group of uninvited young people attempted to enter the party.

A 19-year-old man was assaulted by several people. He was taken to hospital with serious facial injuries.

Anyone who witnessed the incident or who has any information in relation to the identity of the offenders should call 1800 333000 or via the Crime Stoppers ACT website.