A leader of Yemen's Houthi rebels says they were able to ``exploit vulnerabilities'' in Saudi Arabia's air defense system to stage the attack previous day on the kingdom's vital oil installations.
Muhammad al-Bukhaiti told The Associated Press on Sunday that the U.S. allegations that Iran was behind the attack reflected ``political bankruptcy'' of the administration in Washington.
The drone attack claimed by the Houthis hit the world's largest oil processing facility and a major oil field on Saturday, sparking huge fires at a vulnerable chokepoint for global energy supplies.
U.S. Secretary of State Mike Pompeo has blamed Iran for the attacks and said that here's ``no evidence the attacks came from Yemen.''
Pompeo said on Saturday that ``Iran has now launched an unprecedented attack on the world's energy supply.''
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