(CNN)Forty-six people from the ethnic Pygmy group were killed -- some of them decapitated -- on Wednesday in a suspected militant attack in northeast , according to an NGO official based in the central African country.An armed group shot civilians and decapitated others with machetes in Ambedi, a village in Irumu territory in , said Christophe Munyanderu, regional coordinator for the NGO Convention pour le respect de droit de l'homme, or Convention for the Respect of Human Rights. A spokesman for the Armed Forces of the DRC in Ituri attributed the attack to the , a rebel group that operates...…(CNN)Forty-six people from the ethnic Pygmy group were killed -- some of them decapitated -- on Wednesday in a suspected militant attack in northeast , according to an NGO official based in the central African country.An armed group shot civilians and decapitated others with machetes in Ambedi, a village in Irumu territory in , said Christophe Munyanderu, regional coordinator for the NGO Convention pour le respect de droit de l'homme, or Convention for the Respect of Human Rights. A spokesman for the Armed Forces of the DRC in Ituri attributed the attack to the , a rebel group that operates...WW…