Police in Australia's Northern Territory are searching for a heavily tattooed shirtless man who headbutted the side mirror of a truck in Darwin.
The unusual incident, that occurred along the Esplanade at around 3am on January 17, was recorded on CCTV.
The video shows the man stop beside a white truck and attempt to open its door but not get access.
The man then began to punch the mirror, smashing the glass.
The headbutting begins at around the 1 minute 20 second mark.
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He then appears to look at the mirror, sizing it up before headbutting it.
The man is described as being of caucasian appearance, 170cm tall, and of athletic build, with numerous tattoos.