The price of oil hit its highest level in more than seven years on Tuesday as traders worried that an attack on a fuel storage facility in the Middle East could affect supply.

A suspected drone attack by Yemeni Houthi rebels in the United Arab Emirates blew up three fuel tankers.

Three people were killed in the attack on Monday near Abu Dhabi airport.

A Saudi-led coalition retaliated with airstrikes on the Yemini capital of Sanaa, killing as many as 20 people.