Queensland police are asking the public for assistance to help find two missing teenagers. In two separate cases, a girl is missing from Blackstone and also a missing boy from Annerley.

Police are continuing to appeal for assistance to help locate a boy missing from Annerley since Friday.

The 12-year-old boy (pictured), was last seen at a high school in Yeronga and was wearing his school uniform, consisting of a white shirt and black shorts. It is unknown if he has a change of clothes with him.

The boy has not made contact with family or friends for two days and police hold concerns for his safety.

If anyone has seen the boy or has further information which could assist us to find him please contact police link on 131 444

Anyone with information which could assist with this matter should contact Crime Stoppers anonymously via 1800 333 000 FREE or crimestoppers.com.au 24hrs a day.

Police are also continuing to appeal for assistance to locate a girl missing from Blackstone since February 18.

The 13-year-old girl was last seen at an address on Eric Road in Blackstone around 4.30pm but hasn’t been seen or made contact with anyone since.

Police hold concerns for her welfare due to her age and the amount of time she has been missing.

She often frequents the Brisbane City area as well as King George Square.

She is described as being around 140cms tall, of Aboriginal appearance with long black hair and brown eyes.

Anyone who may have seen her is urged to contact police.

Anyone with information which could assist with this matter should contact Crime Stoppers anonymously via 1800 333 000 FREE or crimestoppers.com.au 24hrs a day.