BAGHDAD, April 20 (SPA) - U.S. Secretary of StateCondoleezza Rice made an unannounced visit to Iraq on Sunday, Reuters reported. Six people were killed in overnight clashes in the East BaghdadEnclave, the sprawling Sadr City slum, police said. Rice praised Prime Minister Nuri al-Maliki's securityefforts and said that she was in Iraq to help promotereconciliation among factions.--SPA www.spa.gov.sa/547833