ABUJA( Reuters)-Nigerian soldiers and police on Tuesday shot dead eight Shi' ites who were taking part in a religious procession along a major road in the federal capital Abuja, according to a member of a banned Shi' ite group who was taking part in the event. Police and army spokespeople did not immediately respond to requests for comment. The procession to mark the Shi' ite religious ritual of Arbaeen was organised by the Islamic Movement in Nigeria( IMN), a group that was banned by the govern