A young child was assaulted and injured at a campground in the North-West on Sunday evening, police say.
The incident occurred about 5.14pm and a police spokesperson said the child received non-life threatening injuries and is recovering.
Police believe the owner of a white and silver 2008 Mazda flat tray utility, with Queensland registration number 317XNR, may be able to help with inquiries.
"The utility was sighted in the area of the Montagu Campground near Smithton at 5:14pm yesterday," a spokesperson said.
If this vehicle is sighted, members of the public are asked to call the Burnie Criminal Investigation Branch on 131 444 or report anonymously to Crime Stoppers on 1800 333 000.