A mentally ill man has killed at least nine people in Adamawa State, Nigeria, before being beaten to death by an angry mob.

According to POLITICS NIGERIA, the incident happened on Wednesday evening in Libbo Ward, Kate-Gamji village, in the Sheleng Local Government Area of the state.

The man, identified as Ali Denham, was said to have embarked on a killing spree for reasons unknown to members of the community. He reportedly used a knife to stab his victims, including an elderly woman and man.

Some angry youths in the village surrounded Denham after he killed his victims, disarmed him, and beat him to death.

The remains of the deceased persons were buried on Thursday evening.

Family members of the suspected man have fled the community.