Yemen 's Sunni government , Shiite Houthi rebels have fought intermittently for years . The conflict has killed more than 10,000 people and displaced millions of others in the Arabian Peninsula nation. Yemen said it had seized an Iranian ship near its territorial waters . Some worry Yemen could be stage for proxy struggle between Iran , Saudi monarchy .
Yemen 's Sunni government , Shiite Houthi rebels have fought intermittently for years . Yemen has accused Shiite-dominated Iran of supporting the rebels . Yemen said it had seized an Iranian ship near its territorial waters . Some worry Yemen could be stage for proxy struggle between Iran , Saudi monarchy .