beirut lebanese prime minister saad al-hariri say thursday gulf arab countries plan action lebanon political crisis last month thrust onto front line rivalry saudi arabia iran hariri political ally saudi arabia coalition government include lebanon powerful shi ite muslim hezbollah group ally shi ite iran swear enemy sunni muslim riyadh last month political crisis spark hariri announce resignation saudi arabia raise fear lebanon riyadh gulf ally would take economic action tiny mediterranean country interview broadcast riyadh return lebanon rescind resignation hariri warn possible gulf sanction lebanon threat livelihood lebanese workers gulf state remark thursday seem aim reassure action card go happen assure best relationship saudi arabia good relationship uae gulf say business conference gulf problem one political party lebanon problem whole lebanon hariri add allude hezbollah hariri say gulf state plan measure lebanon