The police in Anambra state in Southeast Nigeria briefs media on the attack on a US convoy in the region, that killed seven people."Three of the consulate officials and four police mobile personnel were killed during that attack while two other officials of the consulate are still missing," says Anambra state Police Commissioner Echeng Echeng. He added that "two persons of interest were arrested and are already assisting the police in the investigation." IMAGES AND SOUNDBITES