article_snippet: But No group has been behind many similar attacks in northern Nigeria Nigeria and beyond, killing hundreds in recent months as part of No group terrorist campaign to bring No group twisted version of Sharia law to a region terrorized by Boko Haram.
article_snippet: Those measures -- in which people are checked for explosives and guns -- were set up because of the spate of Boko Haram attacks in the city and region.
article_snippet: Such attacks, sadly, are nothing new for Borno State, one of those hit hardest by Boko Haram and the Nigerian military's campaign to stop those hit hardest by Boko Haram and the Nigerian military's campaign to stop them.
article_snippet: those hit hardest by Boko Haram and the Nigerian military's campaign to stop them has not only bombed crowded markets but attacked churches and mosques, raided villages, and kidnapped people young and old -- most famously the more than 200 girls taken last April from a school in Chibok.
highlights_snippet: the 4 suicide bombers happened in a region terrorized by Boko Haram .