A MEETING BETWEEN EUROPEAN UNION FOREIGN POLICY CHIEF JAVIER SOLANA AND IRAN'S TOP NUCLEAR NEGOTIATOR HAS BEEN POSTPONED UNTIL AFTER GROUP OF EIGHT FOREIGN MINISTERS MEET ON THURSDAY, AN EU DIPLOMAT SAID ON WEDNESDAY. SOLANA WILL MEET ALI LARIJANI SOMEWHERE IN EUROPE NEXT WEEK TO CLARIFY A U.S.-BACKED PACKAGE OF INCENTIVES FOR TEHRAN TO STOP SENSITIVE NUCLEAR RESEARCH. NO REASON WAS GIVEN FOR THE DELAY, REUTERS REPORTED.