Belt buckle may help identify Polish au pair's Brisbane attacker

Police hope a distinctive belt buckle will lead them to a man who savagely bashed a Polish au pair while she was out walking in Brisbane.

The 24-year-old woman suffered serious facial and head injuries in the attack at Petrie  on Boona Street about 9pm on Friday, November 25.

READ MORE: Polish au pair allegedly bashed while walking in Brisbane

Police will make a fresh appeal for public information today and have released images they believe could aid their investigation, including one of a black and silver belt buckle.