A statement from a military tribunal in Blida, south of Algiers, says the prosecutor appointed a judge to investigate the ex-president's young brother Said Bouteflika and generals Mohamed Mediene, known as Toufik, and Athmane Tartag.
After weeks-long demonstrations forced president Bouteflika out of office on April 2, protesters have continued mass demonstrations every Friday, demanding other members of the country's elite also give way.
Algerians protest on seventh straight Friday against a leadership seen as corrupt and repressive despite Abdelaziz Bouteflika's resignation this week under pressure from protesters and the powerful army.
Constitutional Council accepts Abdelaziz Bouteflika's resignation as president, state TV reports, while informing parliament "of the declaration of the definitive vacancy of the Presidency of the Republic."
Protesters demand immediate resignation of President Abdelaziz Bouteflika, who is fighting for his political survival in the face of relentless protests and the desertion of long-time allies.
Algeria's President Abdelaziz Bouteflika has bowed to public pressure and withdrawn his bid for a fifth term in office, but his new plan would see him stay in power for months beyond the expiry of his term on April 28.
As a country that prides itself on its liberal, moral outlook, we must now confront the fact that our values are under threat from a hatred that has been brewing under the surface for longer than we would like to admit.
The Algiers Agreement was initially signed to resolve border issues in 1975 between Iran and Iraq. Now, the two countries have come together to implement it, but not just for border issues.
Bouteflika's announcement on Monday to withdrew his candidacy for a fifth term cheered his opponents.
The arrival of the 82-year-old Abdelaziz Bouteflika comes amid massive demonstrations demanding he withdraw his candidacy for a fifth term as president.
Authorities bring forward university holidays as they seek to quell massive protests against ailing President Abdelaziz Bouteflika's bid for a fifth term.
Demonstrations against President Abdelaziz Bouteflika enter third week posing biggest challenge to ailing 82-year-old leader, who has ruled for 20 years and is standing for re-election on April 18.
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