Police are appealing for public assistance to identify a man who may be able to assist investigations into an indecent act being committed on train travelling from Wynnum to Hemmant on 18 September.
Between 8.50am to 9.30am, witnesses reported seeing a man board a train at Wynnum and conduct an indecent act before disembarking at Hemmant.
Police are appealing for public assistance to identify the man (pictured) who may be able to assist with ongoing investigations.
He is described as Caucasian, aged between his 20s to 30s, with short greying hair and a short auburn beard.
He was last seen wearing a maroon football shirt, dark long pants, necklace, dark sunglasses, a black support/guard on his left wrist and pushing a black BMX bike.
Police are urging the man to come forward or anyone