A senior leader linked to the Islamic State group has been killed during a joint counterterrorism operation carried out by United States and Nigerian security forces, according to official statements released by both governments.

The operation reportedly targeted extremist hideouts in a remote area known for militant activity. Security officials stated that the mission was conducted after intelligence agencies tracked the movements of the high-ranking ISIS commander for several weeks.

Authorities believe the killed militant played a major role in coordinating attacks and recruiting fighters across parts of West Africa. Several other suspected militants were also reportedly captured during the operation.

US defense officials described the mission as a significant success in the ongoing fight against international terrorism. Nigerian military leaders also praised the cooperation between both countries, saying the operation would help improve regional security and weaken extremist networks operating in the area.

Although officials have not released complete details regarding the identity of the militant leader, intelligence sources suggest he was considered one of the most influential ISIS figures active in Africa.

The Islamic State group has expanded its presence in parts of West Africa over recent years, carrying out attacks against military targets and civilians. Regional governments, supported by international allies, continue to increase military operations against armed extremist groups.

Security analysts believe the latest operation could disrupt future ISIS activities in the region, though they warn that militant organizations often attempt to regroup after leadership losses.