UPDATE – the alert has now been cancelled.

The Queensland Police Service is seeking urgent public assistance to help locate two boys aged 3 and 4 who may be at risk after they were taken from Errol Street Loganlea around 3.30pm.

The children were taken by a 30-year-old man described as 180cm tall, of heavy build, of Papua New Guinean appearance, tanned complexion, with collar length dark curly hair, black bushy beard and was wearing black shorts and a black t-shirt.

The children are described as having very short haircuts, one has a tanned complexion the other is described as fair. Both are believed to be wearing denim shorts, one boy was not wearing a shirt.

The man was driving a silver 2003 Toyota Camry sedan.

The car was last seen at Logan Village on Camp Cable Road around 4.45pm travelling west.

Ring 131 564 to provide information about this incident.

Please ring 000 for life threatening information about this incident