Police raid two Brisbane caravan parks

A police helicopter is taking part in a raid on squatters at two caravan parks in Brisbane's north.

A roadside drug testing facility has been set up and a number of search warrants are being carried out at the caravan parks at Aspley, around 13km north of the city, Queensland Police said in a statement on Wednesday.

The operation is targeting "anti-social behaviour and squatting".

Police haven't yet confirmed whether any arrests have been made.