<p><span>At least 18 people have been killed after suspected female suicide bombers targeted several locations in northern Nigeria. </span><br><span>Coordinated attacks took place at a wedding, a funeral and a hospital in the northeastern town of Gwoza. </span><br><span>The first suicide bomber detonated an explosive device during a marriage celebration. </span><br><span>Just minutes later another blast occurred  near the general hospital. </span><br><span>The third attack at a funeral service was by a female bomber disguised as a mourner. Gwoza is in Borno State, which has been heavily impacted by an insurgency launched in 2009 by Boko Haram, an Islamic extremist group. </span><br><span>I'm Karen Chammas.</span></p>
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