AU-PRINCE, JULY 8, SPA-- MORE THAN 10 PEOPLE WERE KILLED IN GUN BATTLES BETWEEN RIVAL GANGS IN HAITI, THE HAITI PRESS NEWS AGENCY REPORTED SATURDAY. THE FIGHTING TOOK PLACE IN PORT-AU-PRINCE'S SOUTHERN MARTISSANT DISTRICT, DPA REPORTED. INTERNATIONAL OBSERVERS FEAR THAT THE SECURITY SITUATION IN HAITI WILL DETERIORATE ONCE THE FOOTBALL WORLD CUP ENDS IN GERMANY SUNDAY. THE CARIBBEAN COUNTRY HAS BEEN RELATIVELY PEACEFUL SINCE PRESIDENT RENE PREVAL CAME TO POWER IN THE SPRING. THE STABILIZATION FORCES OF THE UNITED NATIONS (MINUSTAH) ARE STILL POLICING THE DEMOCRATIZATION PROCESS IN HAITI, WHICH HAS BEEN ROCKED BY UNREST FOR DECADES. ARMED GANGS TERRORIZE THE CAPITAL, DEMANDING THAT EX-PRESIDENT JEAN-BERTRAND ARISTIDE, OUSTED FROM OFFICE IN 2004, BE RETURNED TO POWER.