Questão jurídica principal
Whether the appeal against the detention order remained justiciable after the appellant left Switzerland.
Decisão extraída
The appeal had become moot because the appellant had left the country, so the court merely took note of the mootness and struck the case from the roll.
Fundamentação extraída
Since the measure challenged in the appeal no longer had practical significance after the departure from Switzerland, there was no longer a live dispute to decide.