Four Iraqi soldiers have been killed in clashes in Falluja , officials say . Two soldiers also have been abducted , other officials say . Sheikh Ahmed Abu Risha is demanding the prime minister hand over the soldiers involved . Abu Risha 's words carry weight , as he is head of a 160,000-member clan , a subset of the Dulaim tribe , one of the largest of all Middle East tribes . At least seven people were killed and 47 wounded in shootings during clashes there .
Four Iraqi soldiers have been killed in clashes in Falluja , officials say . Two soldiers also have been abducted , other officials say . Sheikh Ahmed Abu Risha is demanding the prime minister hand over the soldiers involved . At least seven people were killed and 47 wounded in shootings during clashes there .