Nigeria, March 31 -- Amnesty International has called on President Bola Tinubu to take urgent and decisive steps to halt the wave of killings across Nigeria, warning that continued inaction was costing lives and deepening insecurity.

In a statement on the recent Palm Sunday attack in Angwan Rukuba, Jos North Local Government Area of Plateau State, the organisation said the Nigerian authorities must investigate what it described as "inexcusable security lapses" that enabled gunmen to carry out the attack.

The rights group said the rising death toll, now put at over 30 by residents and local sources, highlights the growing vulnerability of communities to violent attacks.

"The attack and timing show how increasingly vulnerable people are ...