A soldier fighting Boko Haram terrorists has allegedly killed himself.

The soldier, a lance corporal attached to the Nigerian Army 27 Task Force Brigade in Buni Gari, Gujba Local Government Area of Yobe State, committed suicide on Thursday at his duty post.

“He shot himself in the head and died immediately before other soldiers could even rush to help,” a military source told the newspaper.

Reports said that before he took his own life, he left a letter for his wife. Accordingly, his body has been removed from the scene of the incident and proper investigation into the cause of the act is underway.