BAGHDAD, June 27, SPA -- Iraq's Prime Minister has appealed for national unity, The Associated Press reported. The Prime Minister, Nouri Al-Maliki, said aseries of bombings in Iraq are aimed at triggering sectarian violence. Meanwhile, the country's Vice President Tariq Al-Hashimi says he is worried about deteriorating security. He called Saturday for people to avoidcrowded areas and for Iraqi security forces to beef uptheir presence in public areas, markets and mosques beforethe June 30 withdrawal of all U.S. combat troops from majorcities.--SPA www.spa.gov.sa/678732