Boko Haram has a long history of attacks against such establishments , which it views as a sin .
Suspected members of Boko Haram opened fire on a bar in the northeastern Yobe State , shooting eight people to death , including four policemen .
Boko Haram has a long history of attacks against such establishments , which Boko Haram views as a sin .
Suspected members of Boko Haram opened fire on a bar in the northeastern Yobe State , shooting eight people to death , including four policemen .