REUTERS/Mohammed Salem Acquire Licensing RightsOct 8 (Reuters) - Major stock markets in the Gulf tumbled on Sunday amid worries that rising conflict between Palestinian group Hamas and Israel threatens to spiral. The index was dragged down by losses in all sectors, with Lumi Rental (4262.SE) down 5% and Etihad Atheeb Telecommunication (7040.SE) dropping 5.3%. Saudi Aramco Base Oil (2223.SE) (Luberef)dropped 6.8% and the world's largest Islamic bank by assets, Al Rajhi Bank(1120.SE) slipped 2.1%. The Qatari index (.QSI) fell for a third straight session, ending 0.6% lower, with most sectors in the red. Outside the Gulf, Egypt's blue-chip index (.EGX30) plunged 2.6%, the steepest drop in nearly three months.

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Persons: Mohammed Salem, Md Manzer Hussain, Bernadette Baum Organizations: REUTERS, Lumi, Etihad Atheeb Telecommunication, Saudi Aramco Base Oil, Al Rajhi Bank, . Industries Qatar, Commercial Bank, Commercial International Bank, Finance, Digital, Financial, Telecom Egypt, Fawry Banking, Thomson Locations: Gaza City, Palestinian, Israel, Gaza, East, Saudi