Ministro Esteri Boukadoum, 'vorremmo regione fosse luogo pace'
All five candidates in next week's vote are considered part of the political elite, linked to Abdelaziz Bouteflika.
Exceptional trial, which is being televised, comes at a time of renewed political tensions in the oil rich country.
Army chief Ahmed Gaid Salah says the military will not support any candidate in presidential polls expected in December.
Judges began an open-ended strike on October 27 demanding independence for the judiciary after a massive reshuffle.
Demonstrators reject call by powerful army chief to hold presidential election by December and demand his removal.
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Members of the military will seize cars entering the capital for protests, Lieutenant-General Ahmed Gaid Salah says.
Lo ha annunciato il capo dello Stato ad interim
The army chief and ruling elite have been refusing the protesters' calls to step down.