Rescue crews have pulled a critically injured teenager from the water after a boating accident in Bunbury.

St John WA said a vessel with four people on board capsized near Turkey Point in the South West port town at 1:30pm on Friday.

One person, believed to be a teenager, was pulled from the water and taken to Bunbury Regional Hospital in a critical condition.

Another person was taken to hospital under normal road conditions.

It's understood two other people were located safe and uninjured, and some on board were family members.

A crane is retrieving the boat from the water.

Police say the incident is under investigation. Loading

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