The mosque is in northeastern Iraq . There has been an uptick in violence lately between Shiites and Sunni Arabs , and the persistent tensions have stoked widespread fears that the simmering hostilities , which raged during the Iraq War , could morph into a civil war . There 's been an upsurge in sectarian violence in Baghdad . nearly five years was the deadliest month in the deadliest month , CNN says .
The mosque is in northeastern Iraq . There 's been an upsurge in sectarian violence in Baghdad . nearly five years was the deadliest month in the deadliest month , CNN says .