Technically, she got arrested because the UZS is of the opinion that she broke one of their laws. I'd wager she'd get released because Trump has suggested that

Technically, she got arrested because the UZS is of the opinion that she broke one of their laws. I'd wager she'd get released because Trump has suggested that the move is (or could be used for) political leverage (whether that's true or not), or because Canada doesn't have the same laws and so we might not extradite.