An elderly man has been filmed headbutting a teenager on a tram on Sunday evening.
The 78-year-old man is seen headbutting the 18-year-old in a video that has emerged showing the incident on a Gold Coast tram.
According to 7 News, the man is understood to have punched another teen three times before the video commences.
Reports suggest that the elderly man was agitated and angry after hearing another man swearing on the late night tram.
Queensland Police are aware of the incident.