Police in Sydney say a man is fighting for life after he is found on the side of a road with head injuries. Reporting from multiple outlets states the man is a father of three. Police believe he was assaulted during an early morning incident, after which he ended up on the roadside. The injuries are described as serious, and the man remains in critical condition. Authorities have not publicly detailed the circumstances surrounding the assault, including where it occurred or whether there were any witnesses or arrests at the time of reporting. The investigation focuses on establishing how and when the attack happened and identifying those responsible. Police urge anyone with relevant information to come forward to help with inquiries.