(1)A person attending court who is not under arrest or has not been served with a summons may be detained by the court for examination for any offence which the court may deal with, and which from the evidence that person appears to have committed.

(2)The court may proceed against that person as though he had been arrested or summoned.

(3)When the court proceeds against a person under this section during the course of a trial or a committal hearing, it must begin the proceeding against the person separately.