Nigerian MPs have summoned President Muhammadu Buhari over the recent killing of dozens of farmers in north-east Borno State, local media report.
The lawmakers while debating the motion said it was of urgent national importance.
At lest 43 were killed in the attack on 28 November on mostly rice farmers in Zabarmari, a community in Jere Local Government Area. More than a dozen more are missing.
The United Nations (UN) has retracted its initial casualty figure of 110 farmers killed, saying the number was not yet confirmed.
The army has come under heavy criticism following the massacre but blamed lack of equipment for its inability to tackle the insurgency. It also accused residents of working as informants for the militants.