The group released a video boasting that it was growing stronger . The military kills 21 70 Boko Haram members in an operation in Damaturu state . They also fend off an attack on a military checkpoint in Yobe state 's capital . more than suspected Boko Haram members die in fighting there . Boko Haram seeks to impose a strict version of Sharia law across northeastern Yobe .
The military kills 21 70 Boko Haram members in an operation in Damaturu state . They also fend off an attack on a military checkpoint in Yobe state 's capital . more than suspected Boko Haram members die in fighting there . Boko Haram seeks to impose a strict version of Sharia law across northeastern Yobe .