Front Line is concerned following reports that human rights defenders Gabriel Rufyiri, Jean Marie Vianey Kavumbagu and Joseph Mujiji have been summoned for questioning by the Prosecutor General. Gabriel Rufyiri is President of the non-governmental anti-corruption organisation l'Observatoire de Lutte contre la Corruption et les Malversations Economiques – l'OLUCOME (Observatory for the Struggle against Corruption and Economic Embezzlement). Jean Marie Vianey Kavumbagu and Joseph Mujiji are, respectively, former President of the Ligue ITEKA, la Ligue Burundaise des Droits de l'Homme, (ITEKA League, Burundian League for Human Rights) and member of the same organisation. 
