Police have charged a 15-year-old and a 16-year-old with several offences after an incident in Southern Tasmania on Wednesday morning. 

Police will allege around 3:30am, the youths entered a residence in Bellerive through an unlocked door, where they stole cash and car keys to a luxury vehicle. Using these keys, the youths allegedly stole the vehicle and evaded police in the Bellerive area a short time later.

It will be further alleged the youths were detected travelling in excess of 200km/h on the Brooker Highway at Granton, before crashing the vehicle in Bridgewater. 

Yesterday, police searched a residence in Clarendon Vale and arrested a 15-year-old who was subsequently charged and bailed to appear in court at a later date. 

This morning, police searched a residence in Rokeby and arrested a 16-year-old who was subsequently charged and detained to appear in court this afternoon. 

The youths were charged with aggravated burglary, stealing, motor vehicle stealing, evade police, driving without a licence, exceeding the speed limit and computer related fraud. 

Anyone with information relating to these incidents is asked to contact police on 131 444 or Crime Stoppers on 1800 333 000 or at crimestopperstas.com.au. Information can be provided anonymously.