The destruction is everywhere.<br/> <br />Charred wreckage is all that remains as smoke rises in the Nigerian city of Jos.<br/> <br />Emergency officials say back-to-back blasts have killed at least 118 people and wounded 45 in a crowded business district.<br/> <br />As officials rushed to the scene, there was no immediate claim of responsibility.<br/> <br />The attack appeared to bear the hallmarks of Boko Haram insurgents.<br/> <br />The militant group has set off bombs across the country in an increasingly bloody campaign for an Islamic state.<br/> <br />As the city begins to mourn, the blasts remain under investigation.