An expert on assisted dying says a portable suicide pod that provides death without medical supervision is "a solution that we don't understand." "It seems totally inappropriate to us," says Jean-Jacques Bise, co-president of Exit, a Swiss organisation that has been providing medically assisted suicide for many years. The space-age looking Sarco capsule, which could be used for the first time in Switzerland, potentially within months, replaces the oxygen inside it with nitrogen, causing death by hypoxia. IMAGES AND SOUNDBITES